Definition for Serious:

• causing fear or anxiety by threatening great harm; " a dangerous operation"; " a grave situation"; " a grave illness"; " grievous bodily harm"; " a serious wound"; " a serious turn of events"; " a severe case of pneumonia"

Synonyms for Serious:

• adj.

  •adult (adjective)
  • virile,
  • developed,
  • adult,
  • mature,
  • of age,
  • nubile,
  • reasonable,
  • full-grown.
  •bad (adjective)
  • painful.
  •big league (adjective)
  • strictly business,
  • playing hard ball.
  •critical (adjective)
  • risky,
  • pivotal,
  • high-priority.
  •crucial, weighty (adjective)
  • threatening,
  • unamusing,
  • far-reaching,
  • laborious,
  • difficult,
  • significant,
  • no laughing matter,
  • hard,
  • dangerous,
  • deep,
  • of consequence,
  • sobering,
  • fateful,
  • menacing,
  • formidable,
  • strenuous,
  • momentous,
  • ugly,
  • grievous,
  • meaning business,
  • smoking,
  • meaningful,
  • arduous,
  • fell,
  • Operose,
  • major,
  • playing hard ball,
  • heavy,
  • tough,
  • no joke,
  • out for blood,
  • urgent,
  • worrying,
  • strictly business,
  • important,
  • pressing.
  •dangerous (adjective)
  • dangersome,
  • portentous,
  • parlous,
  • Jeopardous.
  •enthusiastic (adjective)
  • fervent.
  •expressionless (adjective)
  • deadpan.
  •funereal (adjective)
  • funereal.
  •hard (adjective)
  • harder,
  • Operose.
  •hell-bent (adjective)
  • hell-bent.
  •important (adjective)
  • of moment,
  • big-wig,
  • crucial,
  • grave,
  • world-shaking,
  • eternal,
  • material,
  • all-consuming,
  • cardinal,
  • fundamental,
  • meaningful,
  • vital,
  • sacred,
  • noteworthy,
  • momentous,
  • special,
  • high-powered,
  • heavyweight,
  • significant,
  • key,
  • salient,
  • prominent,
  • major league,
  • far-reaching,
  • consequential,
  • big league,
  • major,
  • eminent,
  • big-name,
  • earthshaking,
  • historic,
  • newsworthy,
  • influential,
  • hot,
  • sacrosanct,
  • central,
  • big,
  • pivotal,
  • important,
  • high,
  • epoch-making,
  • critical,
  • mere,
  • notable,
  • considerable,
  • substantial,
  • distinguished,
  • monumental,
  • dominant,
  • telling,
  • signal.
  •life-and-death (adjective)
  • earthshaking.
  •major (adjective)
  • pre-eminent.
  •resolute (adjective)
  • zealous,
  • dedicated,
  • iron-willed,
  • tenacious,
  • strong-minded,
  • willing,
  • decided,
  • committed,
  • valiant,
  • headstrong,
  • staunch,
  • firm,
  • bullheaded,
  • unshakeable,
  • unyielding,
  • unflinching,
  • resolute,
  • unchangeable,
  • decisive,
  • unbending,
  • uncompromising,
  • diligent,
  • inexorable,
  • courageous,
  • plucky,
  • constant,
  • insistent,
  • unwavering,
  • indefatigable,
  • thorough,
  • persistent,
  • spunky,
  • determined,
  • tough,
  • steady,
  • strong-willed,
  • dogged,
  • indomitable,
  • implacable,
  • deliberate,
  • earnest,
  • tireless,
  • stern,
  • loyal,
  • relentless,
  • set,
  • dauntless,
  • true,
  • intent,
  • steely,
  • resolved,
  • persevering,
  • devoted,
  • ruthless,
  • steadfast,
  • intent upon,
  • faithful,
  • bold,
  • fearless,
  • reliable,
  • hearty,
  • stubborn.
  •respected (adjective)
  • venerable.
  •ruminative (adjective)
  • ruminative.
  •severe (adjective)
  • severe,
  • bad,
  • unsmiling.
  •sober (adjective)
  • Clear-headed,
  • unexcited.
  •somber, humorless (adjective)
  • go for broke,
  • downbeat,
  • sober,
  • set,
  • sincere,
  • resolute,
  • solemn,
  • grim,
  • staid,
  • funereal,
  • no-nonsense,
  • bound,
  • earnest,
  • deliberate,
  • unsmiling,
  • grave,
  • resolved,
  • deadpan,
  • cold sober,
  • honest,
  • determined,
  • steady,
  • severe,
  • businesslike,
  • reflective,
  • pensive,
  • long-faced,
  • bound and determined,
  • unhumorous,
  • sedate,
  • intent,
  • austere,
  • weighty,
  • genuine,
  • contemplative,
  • meditative,
  • thoughtful,
  • stern,
  • pokerfaced.
  •substantial (adjective)
  • goodly.

• n.

  •
  • large,
  • high,
  • great,
  • enormous,
  • huge,
  • extensive,
  • big,
  • widely,
  • pressing.
  •
  • staid,
  • engaged,
  • concerned,
  • actively,
  • involved,
  • attitude,
  • active,
  • complicit,
  • submerged.
  •
  • ruinous,
  • injurious,
  • harmful,
  • damaging,
  • no-nonsense,
  • disastrous,
  • businesslike,
  • work,
  • sobersided.
  •
  • anxious,
  • worried,
  • troubled,
  • alarmed,
  • upset,
  • frightened,
  • nervous,
  • uneasy,
  • tense,
  • help.
  •
  • methodical,
  • exact,
  • laborious,
  • organized,
  • uphill,
  • tall,
  • arduous,
  • systematic,
  • careful,
  • provident,
  • painstaking,
  • meticulous,
  • cautious.
  •
  • date,
  • cheat,
  • cohabit,
  • court.
  •
  • substantial,
  • stolid,
  • funereal,
  • humorlessly,
  • officious,
  • deep.
  •serious (noun)
  • thoughtful,
  • grievous,
  • critical,
  • sober,
  • sensible,
  • grave,
  • earnest,
  • overserious,
  • severe,
  • dangerous,
  • hard,
  • sedate,
  • of import,
  • capital,
  • unplayful,
  • important,
  • sincere,
  • real,
  • intellectual,
  • in earnest,
  • difficult,
  • solemn,
  • sobering.

• v.

  •intensified (verb)
  • intense.

• Other synonyms:

  •
  • ultimate,
  • sublime,
  • desperate,
  • stolid,
  • much,
  • daunting,
  • disconcerting,
  • scalding,
  • gross,
  • dreadfully,
  • engaged,
  • ferocious,
  • classical,
  • complicit,
  • towering,
  • oppressive,
  • distressing,
  • actively,
  • fervid,
  • pensive,
  • severely,
  • nerve-wracking,
  • keen,
  • keenly,
  • rigorous,
  • submerged,
  • involved,
  • officious,
  • dearly,
  • worrying,
  • sobersided,
  • fatally,
  • disturbing.
  •
  • staid,
  • tense,
  • concerned,
  • supreme,
  • humorless,
  • massive,
  • uphill,
  • sickening,
  • unbearable,
  • brooding,
  • niggling,
  • frightening,
  • rigid,
  • terminal,
  • fraught,
  • alarmist,
  • explosive,
  • dire,
  • badly,
  • profound,
  • arduous,
  • tall,
  • venerable,
  • fatal.
  •
  • stiff,
  • extreme,
  • sore,
  • savage,
  • proper,
  • anxious,
  • laborious.
  •
  • awful,
  • active.
  •
  • seriously.
  •
  • strong.
  •
  • deep.
  •crucial
  • acute.
  •fatal
  • incurable.
  •injurious
  • harmful.
  •matter of fact
  • no-nonsense.
  •oppressive
  • onerous.
  •purposeful
  • businesslike.
  •stately
  • dignified.
  •Other relevant words:
  • level-headed,
  • outstanding,
  • plenary,
  • abet,
  • wholehearted,
  • imperturbable,
  • gruff,
  • impetuous,
  • fraught,
  • self-possessed,
  • emphatically,
  • violent,
  • cheerless,
  • scholarly,
  • keen,
  • big league,
  • goodly,
  • dull,
  • unspoiled,
  • studious,
  • restrained,
  • self-contained,
  • necessary,
  • lugubrious,
  • bent upon,
  • special,
  • proficient,
  • alarmist,
  • unpleasant,
  • rank,
  • Sobered,
  • big,
  • retire,
  • main,
  • dignified,
  • stiff,
  • grand,
  • impassioned,
  • grim,
  • eagerly,
  • on fire,
  • ultimate,
  • bad,
  • civilized,
  • disastrous,
  • gross,
  • distressing,
  • dejected,
  • dispassionate,
  • hopeless,
  • moving,
  • meaningful,
  • vehement,
  • fateful,
  • frankly,
  • encourage,
  • weighty,
  • secure,
  • major,
  • responsible,
  • unfathomable,
  • meaning business,
  • mound,
  • effective,
  • thorough-paced,
  • melancholy,
  • wistful,
  • substantial,
  • harsh,
  • consolidate,
  • recede,
  • perfervid,
  • intolerable,
  • dominant,
  • complicit,
  • memorable,
  • sober,
  • exigent,
  • preoccupied,
  • Concentrative,
  • poorly,
  • meticulous,
  • heedful,
  • severe,
  • practiced,
  • Concentrating,
  • brooding,
  • sobering,
  • anxious,
  • mighty,
  • wan,
  • demure,
  • Contemplating,
  • cold,
  • hazardous,
  • keenly,
  • dolorous,
  • honest,
  • frowning,
  • proper,
  • extreme,
  • entire,
  • intent upon,
  • officious,
  • moderation,
  • no-nonsense,
  • uninitiated,
  • salutary,
  • charged,
  • great,
  • utter,
  • date,
  • Meditating,
  • remove,
  • crass,
  • soberness,
  • glaring,
  • upset,
  • inscrutable,
  • flagrant,
  • biggest,
  • sage,
  • deliberative,
  • respectfully,
  • severeness,
  • down-to-earth,
  • skilful,
  • arch,
  • extensive,
  • hideous,
  • thumping,
  • self-controlled,
  • crabbed,
  • burning,
  • even-tempered,
  • glowering,
  • doleful,
  • sensitive,
  • drab,
  • abandon,
  • iteration,
  • life-threatening,
  • pay respects,
  • alarming,
  • ferocious,
  • recall,
  • peaceful,
  • strictly business,
  • dangerous,
  • alarmed,
  • absolutely,
  • crusty,
  • exhaustive,
  • serious-minded,
  • lofty,
  • portentous,
  • introspective,
  • critic,
  • unqualified,
  • heated,
  • maximum,
  • total,
  • alpha,
  • practical,
  • harass,
  • ruminant,
  • irresistible,
  • combine,
  • wounding,
  • impenetrable,
  • unbearable,
  • impressive,
  • intense,
  • acute,
  • thinking,
  • central,
  • seriously,
  • poised,
  • cold sober,
  • spirited,
  • skillful,
  • major league,
  • uphill,
  • reflective,
  • downbeat,
  • prim,
  • established,
  • fine,
  • full,
  • take to heart,
  • ardor,
  • glum,
  • unflappable,
  • laden,
  • repeat,
  • temperate,
  • placid,
  • salute,
  • supreme,
  • pithy,
  • decent,
  • rigid,
  • hot-blooded,
  • formal,
  • urgent,
  • Cool-headed,
  • extraordinary,
  • esoteric,
  • unsmiling,
  • damaging,
  • hot,
  • elevated,
  • complete,
  • erudite,
  • pensive,
  • courtly,
  • daunting,
  • hurtful,
  • unhappy,
  • cool,
  • rascal,
  • forceful,
  • respectable,
  • awful,
  • conceptual,
  • balanced,
  • settled,
  • emphasise,
  • solid,
  • meditative,
  • unfortunate,
  • burdensome,
  • perilous,
  • occult,
  • soberly,
  • reverentially,
  • untrivial,
  • arrant,
  • fiery,
  • quiet,
  • towering,
  • single-minded,
  • capital,
  • chastened,
  • afire,
  • solemnly,
  • convince,
  • genuine,
  • obscure,
  • red hot,
  • very,
  • humorless,
  • help,
  • telling,
  • organized,
  • undecomposed,
  • undisturbed,
  • downcast,
  • thoroughgoing,
  • playing hard ball,
  • appreciable,
  • austere,
  • oppress,
  • imperative,
  • pondering,
  • thought,
  • beastly,
  • life-or-death,
  • methodical,
  • spartan,
  • decorous,
  • mystic,
  • deep,
  • morbid,
  • sane,
  • unfrivolous,
  • firmly,
  • troubled,
  • dominating,
  • ardent,
  • provident,
  • lamentable,
  • crestfallen,
  • flaming,
  • reiteration,
  • systematic,
  • severely,
  • precious,
  • annoying,
  • no laughing matter,
  • near,
  • newsworthy,
  • injurious,
  • strongly,
  • harmful,
  • stolid,
  • benevolent,
  • terrible,
  • unspoilt,
  • key,
  • imp,
  • rogue,
  • again,
  • pokerfaced,
  • bound and determined,
  • Jeopardous,
  • comprehensive,
  • monstrous,
  • incomprehensible,
  • sickening,
  • draw,
  • unamusing,
  • much,
  • touch-and-go,
  • crabby,
  • mournful,
  • noble,
  • reflecting,
  • rigorous,
  • menacing,
  • principal,
  • dependable,
  • staid,
  • frigid,
  • cardinal,
  • strong,
  • attitude,
  • consummate,
  • large,
  • collected,
  • classical,
  • depressed,
  • tranquil,
  • disturbing,
  • august,
  • precarious,
  • noetic,
  • estimable,
  • heartfelt,
  • repetition,
  • heartbreaking,
  • immediate,
  • discreet,
  • out for blood,
  • poignant,
  • pressing,
  • parlous,
  • nerve-wracking,
  • difficult,
  • long-faced,
  • woeful,
  • rueful,
  • upsetting,
  • profound,
  • heaviness,
  • composed,
  • Stayed,
  • cogitative,
  • terminal,
  • sincere,
  • impostor,
  • in earnest,
  • employed,
  • assiduous,
  • together,
  • rotten,
  • straightforward,
  • double,
  • unmitigated,
  • fervent,
  • ticklish,
  • hard,
  • poker-faced,
  • arduous,
  • heinous,
  • sacrosanct,
  • very bad,
  • weightily,
  • mere,
  • risky,
  • ruinous,
  • fervid,
  • ripe,
  • recondite,
  • eagerness,
  • grim-faced,
  • cancel,
  • stone-faced,
  • savage,
  • compelling,
  • awe-inspiring,
  • Clear-headed,
  • strict,
  • material,
  • exact,
  • withdraw,
  • mysterious,
  • monumental,
  • fatally,
  • dour,
  • desperately,
  • purposeful,
  • Jeopardizing,
  • unruffled,
  • concerned,
  • submerged,
  • usher in,
  • smoking,
  • overserious,
  • disengage,
  • Deliberating,
  • foul,
  • sobersided,
  • seriousness,
  • fatal,
  • paramount,
  • controlled,
  • troubling,
  • unsafe,
  • businesslike,
  • sour,
  • significant,
  • unemotional,
  • Excogitating,
  • abstinence,
  • lordly,
  • weary,
  • mask-like,
  • authoritative,
  • warm,
  • ugly,
  • sombre,
  • Darksome,
  • terribly,
  • untoward,
  • imposing,
  • deep-rooted,
  • trenchant,
  • objectionable,
  • cheat,
  • tall,
  • life-and-death,
  • sophisticated,
  • cautious,
  • gravely,
  • engaged,
  • po-faced,
  • mirthless,
  • right,
  • virulent,
  • active,
  • nervous,
  • far-reaching,
  • painstaking,
  • reserved,
  • mortally,
  • venturesome,
  • court,
  • exemplary,
  • tense,
  • unfeigned,
  • earnestness,
  • real,
  • grievous,
  • exalted,
  • energetic,
  • reverently,
  • hell-bent,
  • excessively,
  • sobriety,
  • sorely,
  • relevant,
  • really,
  • matter of fact,
  • aloof,
  • intent on,
  • non-trivial,
  • somber,
  • churlish,
  • vile,
  • devout,
  • depressing,
  • morose,
  • enormous,
  • Saddened,
  • substantive,
  • historic,
  • sincerity,
  • set upon,
  • valid,
  • in a reverie,
  • well,
  • louring,
  • frightening,
  • fraught with danger,
  • unhumorous,
  • saturnine,
  • unstinting,
  • musing,
  • solemn,
  • massive,
  • sad,
  • taciturn,
  • wretched,
  • worried,
  • repute,
  • roaring,
  • attentive,
  • dreadfully,
  • unserious,
  • dearly,
  • majestic,
  • unsavoury,
  • joyless,
  • standard,
  • uttermost,
  • go for broke,
  • uncertain,
  • obstinate,
  • dreadful,
  • definite,
  • intellectual,
  • Ruminating,
  • flagitious,
  • essential,
  • strenuous,
  • potentially,
  • awkward,
  • uneasy,
  • contemplative,
  • pre-eminent,
  • speculative,
  • commanding,
  • eager,
  • lousy,
  • in control,
  • of import,
  • nasty,
  • inspiring,
  • worrying,
  • traditional,
  • honestly,
  • in a trance,
  • unperturbed,
  • earnestly,
  • naughty,
  • knave,
  • honorable,
  • tempestuous,
  • desperate,
  • promote,
  • laborious,
  • unhealthy,
  • persuade,
  • stately,
  • inveigle,
  • unflustered,
  • rush,
  • shrewd,
  • honourable,
  • impassive,
  • poor,
  • gloomy,
  • heavy,
  • emergency,
  • sacred,
  • Periculous,
  • unplayful,
  • heartrending,
  • politic,
  • straight-faced,
  • no joke,
  • worst,
  • regrettable,
  • sound,
  • elegant,
  • downright,
  • replication,
  • upright,
  • lowering,
  • instant,
  • all-consuming,
  • explosive,
  • badly,
  • passionate,
  • foremost,
  • extremely,
  • genuinely,
  • atrocious,
  • unexcited,
  • conscientious,
  • prudent,
  • detached,
  • enormously,
  • thoughtful,
  • unreserved,
  • knockout,
  • oppressive,
  • forbidding,
  • arcane,
  • painful,
  • gravity,
  • sublime,
  • actively,
  • afflict,
  • careful,
  • crook,
  • wicked,
  • signal,
  • strait-laced,
  • vital,
  • abandoned,
  • Graver,
  • venerable,
  • recurrence,
  • touchy,
  • huge,
  • uncomic,
  • dangersome,
  • involved,
  • humorlessly,
  • Sober-minded,
  • threatening,
  • dismal,
  • work,
  • retract,
  • eternal,
  • ruminative,
  • mischievous,
  • sensible,
  • conceptive,
  • fell,
  • bound,
  • realistic,
  • straight,
  • incurable,
  • sore,
  • sincerely,
  • circumspect,
  • dire,
  • abstruse,
  • just,
  • heartily,
  • niggling,
  • funereal,
  • humourless,
  • dear,
  • melancholic,
  • emotionless,
  • cohabit,
  • frightened,
  • miserable,
  • widely,
  • beyond comprehension,
  • white-hot,
  • disadvantageous,
  • Museful,
  • induce,
  • eventful,
  • cognitive,
  • scalding,
  • serene,
  • deadpan,
  • rational,
  • conceptualized,
  • stark,
  • high-priority,
  • sedate,
  • awfully,
  • moderate,
  • Operose,
  • loathsome,
  • intensify,
  • harder,
  • candidly,
  • persecute,
  • primary,
  • model,
  • regal,
  • powerful,
  • tragic,
  • deplorable,
  • fundamental,
  • epoch-making,
  • expert,
  • mental,
  • adept,
  • virtuous,
  • disagreeable,
  • prime,
  • of consequence,
  • disconcerting,
  • cruel,
  • enthusiastic,
  • formidable,
  • layer,
  • unfunny,
  • assure,
  • subdued,
  • of moment,
  • unsurpassed,
  • onerous,
  • high.

Antonyms for Serious:

• adj.

  • all
    frivolous.
  • crucial, weighty
    meaningless, insignificant, friendly, easy, little, facile, calm, worthless, small.
  • somber, humorless
    untrustworthy, funny, false, insincere, happy, deceptive, flippant, trivial, unserious, dishonest, unimportant, light, minor, misleading.
  • Other antonyms:
    Weak-minded, senseless, half-witted, beneficial, innocent, foolish, cockeyed, lunatic, hilarious, asinine, innocuous, Daffy, nonhazardous, lite, dotty, nonsensical, harmless, witless, nonintellectual, unserious, unwise, noncritical, nutty, crazy, advantageous, minor, loony, brainless, jerky, screwball, joking, good, balmy, wacky, noncrucial, insane, daft, small, safe, cuckoo, sappy, little, uproarious, zany, mad, unthreatening, fatuous, kooky, jesting.

Homophones for Serious:

• syracuse, saururaceae, seahorse, SIRC, sucrose, screechy, serous, scores, sewer gas, skreak, squark, screech, sage grouse, serosa, sewage works, sorus, sikorsky, scissors, screaky, sirius, siqueiros, sawhorse, shark, scrag, shire horse, seiurus, skreigh, siriasis, Skagerak, sugar cookie, secrecy, scrooge, sericeous, susurrous, scorch, Sirach, sea wrack, siracusa, sewerage, sea horse, shrike, sorgho, shirk, saururus, shrewish, saurosuchus, scourge, scours, shriek, susurrus, sourish, shiraz, sargasso, series, scissors kick, scherzo, squirearchy, scraggy, Showy Orchis, saccharose, Skagerrak, ski rack, shrug, ski race, shears, sorgo, sciurus, sarawak, scheuchzeriaceae, surcease, sack race, shag rug, seagrass, serax, saurischia, saragossa, screw jack, sayers, source, squaw grass, sirocco, scarce, sorex, surge, squarish, search, shakers, screw key, sucrase, siris, sazerac, saccharase, screak, skew arch, scorsese, SARS, serge, Sargasso Sea.