Synonyms for Diligent:

• adj.

  •active (adjective)
  • lively,
  • quick,
  • hard-working.
  •all (adjective)
  • persevering.
  •attentive (adjective)
  • absorbed,
  • alert,
  • attentive,
  • careful,
  • cautious,
  • concerned,
  • engrossed,
  • enraptured,
  • entranced,
  • fascinated,
  • heedful,
  • intent,
  • interested,
  • mindful,
  • observant,
  • observing,
  • rapt,
  • regardful,
  • responsible,
  • sharp,
  • vigilant,
  • watchful,
  • Hearkening,
  • Immersed,
  • Scrutinizing,
  • Concentrating,
  • Considering.
  •businesslike (adjective)
  • workaday.
  •fastidious (adjective)
  • accurate,
  • choosy,
  • conscientious,
  • correct,
  • critical,
  • dainty,
  • delicate,
  • demanding,
  • discerning,
  • discriminating,
  • epicurean,
  • exacting,
  • fastidious,
  • finicky,
  • flawless,
  • fussy,
  • hypercritical,
  • literal,
  • methodical,
  • meticulous,
  • mincing,
  • particular,
  • persnickety,
  • perspicacious,
  • picky,
  • precise,
  • priggish,
  • prim,
  • proper,
  • prudish,
  • punctilious,
  • rigorous,
  • scrupulous,
  • severe,
  • squeamish,
  • Qualmish,
  • careful.
  •hardworking (adjective)
  • industrious,
  • laborious.
  •persevering, hard-working (adjective)
  • active,
  • assiduous,
  • attentive,
  • busy,
  • careful,
  • conscientious,
  • constant,
  • eager,
  • eager beaver,
  • earnest,
  • grind,
  • indefatigable,
  • industrious,
  • laborious,
  • occupied,
  • painstaking,
  • persistent,
  • persisting,
  • pertinacious,
  • sedulous,
  • steadfast,
  • studious,
  • tireless,
  • unflagging,
  • unrelenting,
  • untiring,
  • Operose,
  • Plugging.
  •resolute (adjective)
  • bold,
  • bullheaded,
  • committed,
  • constant,
  • courageous,
  • dauntless,
  • decided,
  • decisive,
  • dedicated,
  • deliberate,
  • determined,
  • devoted,
  • dogged,
  • earnest,
  • faithful,
  • fearless,
  • firm,
  • headstrong,
  • hearty,
  • implacable,
  • indefatigable,
  • indomitable,
  • inexorable,
  • insistent,
  • loyal,
  • persevering,
  • persistent,
  • plucky,
  • relentless,
  • reliable,
  • resolute,
  • resolved,
  • ruthless,
  • serious,
  • set,
  • spunky,
  • staunch,
  • steadfast,
  • steady,
  • steely,
  • stern,
  • strong-minded,
  • strong-willed,
  • stubborn,
  • tenacious,
  • tireless,
  • tough,
  • true,
  • unbending,
  • unchangeable,
  • uncompromising,
  • unflinching,
  • unwavering,
  • unyielding,
  • valiant,
  • willing,
  • zealous,
  • iron-willed,
  • unshakeable,
  • intent,
  • thorough.
  •tenacious (adjective)
  • brave,
  • enduring,
  • fervent,
  • hard,
  • obdurate,
  • obstinate,
  • stiff,
  • stony,
  • strong,
  • undaunted,
  • unflagging,
  • bulldogged,
  • flintlike,
  • bold,
  • bullheaded,
  • courageous,
  • dauntless,
  • decisive,
  • determined,
  • devoted,
  • dogged,
  • faithful,
  • headstrong,
  • hearty,
  • indefatigable,
  • indomitable,
  • insistent,
  • persevering,
  • persistent,
  • plucky,
  • resolute,
  • spunky,
  • staunch,
  • steadfast,
  • strong-willed,
  • stubborn,
  • tenacious,
  • tireless,
  • tough,
  • true.
  •untiring (adjective)
  • indefatigable.
  •vigilant (adjective)
  • finical,
  • guarded,
  • prepared,
  • provident,
  • prudent,
  • ready,
  • sharp-eyed,
  • strict,
  • thorough,
  • thoughtful,
  • alert,
  • attentive,
  • careful,
  • cautious,
  • conscientious,
  • exacting,
  • fastidious,
  • fussy,
  • heedful,
  • meticulous,
  • mindful,
  • observant,
  • particular,
  • precise,
  • regardful,
  • responsible,
  • scrupulous,
  • vigilant,
  • watchful.

• n.

  •
  • studious.
  •diligent (noun)
  • assiduous,
  • hardworking,
  • industrious,
  • patient,
  • persevering,
  • sedulous,
  • tireless,
  • untiring.
  •industrious (noun)
  • keen,
  • painstaking,
  • pertinacious,
  • purposeful,
  • studious,
  • unremitting,
  • hard-working.

• v.

  •intensified (verb)
  • intense.

• Other synonyms:

  •
  • bookish,
  • efficient,
  • hard-working.
  •
  • enthusiastic,
  • productive,
  • undivided,
  • Overworked.
  •industrious
  • industrious,
  • laborious,
  • studious.
  •purposeful
  • businesslike.
  •Other relevant words:
  • abstract thought,
  • academic,
  • accommodating,
  • acquiescent,
  • active,
  • active application,
  • adamant,
  • adventurous,
  • advertent,
  • aggressive,
  • agile,
  • agog,
  • ambitious,
  • application,
  • apply,
  • ardent,
  • arduous,
  • assiduous,
  • attention,
  • audacious,
  • aware,
  • bookish,
  • brisk,
  • businesslike,
  • bustling,
  • busy,
  • clever,
  • compliant,
  • concentrated,
  • conscious,
  • considerate,
  • continuing,
  • daring,
  • deferential,
  • detailed,
  • diligence,
  • donnish,
  • duteous,
  • dutiful,
  • dynamic,
  • eager,
  • eager beaver,
  • efficient,
  • elaborate,
  • energetic,
  • engaged,
  • enterprising,
  • enthusiastic,
  • exhaustive,
  • expeditious,
  • fast,
  • fervid,
  • filial,
  • fleet,
  • flexible,
  • focused,
  • going,
  • grind,
  • hardworking,
  • hectic,
  • immovable,
  • immutable,
  • in depth,
  • inalterable,
  • industrious,
  • inflexible,
  • intense,
  • intransigent,
  • invincible,
  • keen,
  • laborious,
  • lasting,
  • lively,
  • malleable,
  • mandarin,
  • mettlesome,
  • mobile,
  • nice,
  • niggling,
  • nimble,
  • notable,
  • obedient,
  • obliging,
  • occupied,
  • open-eyed,
  • openmouthed,
  • operative,
  • owlish,
  • painful,
  • painstaking,
  • passionate,
  • patient,
  • pedantic,
  • permanent,
  • persisting,
  • pertinacious,
  • pliant,
  • plodding,
  • polite,
  • preoccupied,
  • productive,
  • professorial,
  • prompt,
  • purposeful,
  • purposive,
  • pushy,
  • quick,
  • rabbinic,
  • rapid,
  • refractory,
  • resourceful,
  • respectful,
  • restless,
  • rigid,
  • scholarly,
  • scholastic,
  • sedulous,
  • single-minded,
  • sleepless,
  • slow,
  • speedy,
  • spirited,
  • sprightly,
  • spry,
  • stable,
  • stalwart,
  • strenuous,
  • studious,
  • sturdy,
  • submissive,
  • swift,
  • thoroughgoing,
  • tied up,
  • transitive,
  • unconquerable,
  • undiscouraged,
  • undivided,
  • unfailing,
  • unfaltering,
  • uninterrupted,
  • unrelenting,
  • unremitting,
  • unshakable,
  • unshaken,
  • unsleeping,
  • unsparing,
  • unstinting,
  • unswerving,
  • untiring,
  • unwearied,
  • unwearying,
  • vehement,
  • venturesome,
  • vigorous,
  • workaday,
  • working,
  • yielding,
  • Energetical,
  • Finicking,
  • Hustling,
  • Intentive,
  • Operose,
  • Overworked,
  • Perseverant,
  • Plugging,
  • Weariless,
  • go ahead,
  • never-tiring,
  • hard-working,
  • Dryasdust,
  • Undrooping,
  • Unintermitting,
  • Unrelaxing,
  • unabating,
  • in action,
  • on the ball,
  • goal-oriented,
  • all ears,
  • close attention,
  • close study,
  • on the job,
  • deep thought,
  • profound thought,
  • slogging.

Antonyms for Diligent:

• adj.

  • all
    negligent.
  • persevering, hard-working
    careless, disinterested, idle, ignorant, inactive, inattentive, indifferent, languid, lazy, lethargic, neglectful, negligent, thoughtless, tired, unconcerned, unenthusiastic, unscrupulous, weary, uncareful.
  • Other antonyms:
    asleep, dead, delinquent, derelict, dormant, dull, free, heavy, hit-and-run, idle, impatient, inactive, inattentive, indolent, inert, inoperative, latent, lax, lazy, lifeless, neglectful, negligent, passive, quiescent, quiet, remiss, slack, sleepy, slow, sluggish, unemployed, unoccupied, nonoperating.

• Other antonyms:

  • n. t.
    careless, casual, dead, delinquent, derelict, dilatory, disinterested, dormant, dull, good-for-nothing, idle, ignorant, inactive, inattentive, inconstant, indifferent, inert, inoperative, languid, latent, lax, lazy, lethargic, lifeless, neglectful, negligent, slack, sleepy, slow, thoughtless, tired, unconcerned, unemployed, unenthusiastic, unoccupied, unscrupulous, nonoperating, unbusy, uncareful.