Definition for Calamitous:

• Marked by causing, calamity. Hence calamitously adv. [ French]

Synonyms for Calamitous:

• adj.

  •adverse (adjective)
  • inauspicious,
  • untoward,
  • burdensome,
  • miserable,
  • distressful,
  • unfavorable,
  • detrimental,
  • antipathetic,
  • perilous,
  • troublesome,
  • grievous,
  • unfriendly,
  • hard,
  • unlucky,
  • woeful,
  • catastrophic,
  • unpropitious,
  • unfortunate,
  • difficult,
  • disastrous,
  • opposing,
  • adverse,
  • tragic.
  •all (adjective)
  • black,
  • disastrous,
  • fatal,
  • fateful.
  •baneful (adjective)
  • contagious,
  • cursed,
  • poisonous,
  • cancerous,
  • ill,
  • baneful,
  • wicked,
  • evil,
  • infectious.
  •deplorable (adjective)
  • opprobrious.
  •destructive (adjective)
  • ruinous,
  • destructive,
  • detrimental,
  • devastating,
  • damaging,
  • deleterious,
  • injurious,
  • cataclysmal,
  • cataclysmic,
  • deadly,
  • disastrous,
  • Wreckful,
  • harmful,
  • catastrophic.
  •direful (adjective)
  • unpropitious,
  • inauspicious.
  •disappointing (adjective)
  • heartbreaking.
  •disastrous; tragic (adjective)
  • catastrophic,
  • devastating,
  • adverse,
  • grievous,
  • regrettable,
  • fatal,
  • Blighting,
  • unfavorable,
  • lamentable,
  • ruinous,
  • afflictive,
  • pernicious,
  • harmful,
  • dire,
  • cataclysmic,
  • deadly,
  • woeful,
  • deplorable,
  • unfortunate,
  • messy,
  • heartbreaking.
  •evil (adjective)
  • damnable,
  • monstrous,
  • hideous,
  • disgraceful,
  • heinous,
  • nefarious,
  • sinful,
  • bad,
  • abominable,
  • evil,
  • wicked,
  • baneful,
  • destructive,
  • offensive,
  • repellent,
  • loathsome,
  • detrimental,
  • reprehensible,
  • sinister,
  • repulsive,
  • atrocious,
  • repugnant,
  • terrible,
  • foul,
  • revolting.
  •fateful (adjective)
  • hellfire.
  •harmful (adjective)
  • risky,
  • mischievous.
  •offensive (adjective)
  • frightful.
  •ruinous (adjective)
  • tumbledown,
  • ruinous.
  •unspeakable (adjective)
  • unspeakable,
  • indefinable,
  • unutterable,
  • Incommunicable,
  • undescribable,
  • inexpressible.

• n.

  •
  • dangerous,
  • hazardous,
  • risky,
  • unsafe.
  •
  • cataclysmal,
  • cataclysmic,
  • help,
  • ruinous.
  •calamitous (noun)
  • fatal,
  • fateful,
  • black,
  • unfortunate,
  • disastrous.
  •disastrous (noun)
  • ruinous.

• Other synonyms:

  •
  • cataclysmic,
  • cataclysmal.
  •
  • frightful.
  •marvelous
  • unspeakable.
  •Other relevant words:
  • damage,
  • self-destructive,
  • Incommunicable,
  • wrongly,
  • dire,
  • fateful,
  • opprobrious,
  • distressfully,
  • predetermined,
  • detriment,
  • unadvantageous,
  • depravity,
  • cheerless,
  • blackened,
  • vandalistic,
  • undoing,
  • Depredatory,
  • grievously,
  • cumbersome,
  • ill-starred,
  • abuse,
  • regrettable,
  • unforgivable,
  • unsafe,
  • degradation,
  • bitter,
  • disheartening,
  • piteous,
  • clumsily,
  • unbearable,
  • demolishing,
  • disaster,
  • crushing,
  • contraband,
  • gravely,
  • smuggled,
  • black,
  • hellfire,
  • unspeakable,
  • onerous,
  • whopping,
  • egregious,
  • heartrending,
  • infelicitous,
  • bootleg,
  • unbelievable,
  • hazardous,
  • Doomful,
  • pathetic,
  • sad,
  • Blighting,
  • deplorable,
  • upsetting,
  • sadly,
  • ruining,
  • perversely,
  • Wreckful,
  • dreadful,
  • oppressive,
  • ignominious,
  • injuriously,
  • dreary,
  • ravaging,
  • sternly,
  • smutty,
  • ill-fated,
  • wretchedly,
  • cataclysmic,
  • damagingly,
  • unpleasant,
  • rough,
  • gawkily,
  • Star-crossed,
  • awfully,
  • negative,
  • unhappily,
  • tragical,
  • disservice,
  • hardly,
  • nihilist,
  • afflictive,
  • huge,
  • ill-chosen,
  • Vandalic,
  • harm,
  • deterioration,
  • mournful,
  • inopportunely,
  • ruinously,
  • Sinisterly,
  • morose,
  • pernicious,
  • deprivation,
  • damning,
  • awful,
  • messy,
  • withering,
  • demolitionary,
  • subversive,
  • bruise,
  • ominously,
  • wretched,
  • Annihilatory,
  • disastrously,
  • harshly,
  • tumbledown,
  • noxious,
  • inglorious,
  • wasteful,
  • painful,
  • erroneously,
  • calamity,
  • severe,
  • severely,
  • abject,
  • injury,
  • strictly,
  • appalling,
  • depressing,
  • nihilistic,
  • dangerous,
  • dispiriting,
  • evilly,
  • pitiful,
  • horrible,
  • distressing,
  • dim,
  • corruption,
  • lamentable,
  • flagrant,
  • harrowing,
  • shocking,
  • unluckily,
  • toxic,
  • adversely,
  • hapless,
  • Subversionary,
  • bleak,
  • black market,
  • intolerable,
  • ominous,
  • funereal,
  • sombre,
  • poorly,
  • frightful,
  • viciously,
  • lugubrious,
  • ill-omened,
  • tragically,
  • saddening,
  • accident,
  • iniquity,
  • pitiable,
  • disease,
  • grim,
  • unfortunately,
  • incorrectly,
  • unutterable,
  • agonizing,
  • horrendous,
  • bringing ruin,
  • grievance,
  • dark,
  • portentous,
  • cataclysmal,
  • error,
  • fatal,
  • decline,
  • shameful,
  • destruction,
  • unfavourable,
  • harsh,
  • gloomy,
  • unpromising,
  • lachrymose,
  • outrageous,
  • risky,
  • inauspiciously,
  • wickedness,
  • internecine,
  • pitch-dark,
  • monumental,
  • disturbing,
  • poor,
  • foreboding,
  • death,
  • mordant,
  • Destroying,
  • dismal,
  • suicidal,
  • calamitously,
  • awkwardly,
  • austere,
  • misadventure,
  • pitch black,
  • sin,
  • horrifying,
  • ineptly,
  • racking,
  • harmfully,
  • Fratricidal,
  • disadvantage,
  • achromatic,
  • ruinous,
  • wickedly,
  • seriously,
  • undescribable,
  • indefinable,
  • sorrowful,
  • baleful,
  • forlorn,
  • tough,
  • mischief,
  • nasty,
  • unhappy,
  • dolorous,
  • melancholy,
  • heartbreaking,
  • unkindly,
  • devastative,
  • Desolating,
  • help,
  • badly,
  • direful,
  • crippling,
  • contamination,
  • inexpressible,
  • cumbrous,
  • consumptive,
  • enormous,
  • mischievous,
  • adversity,
  • mistakenly,
  • misfortune,
  • mischievously,
  • wasting,
  • consuming.

Antonyms for Calamitous:

• adj.

  • disastrous; tragic
    favorable, helpful, blessed, nice, unimportant, lucky, wonderful, joyous, good, comforting, happy, harmless, trivial, advantageous, fortunate, wholesome, healthful.
  • Other antonyms:
    fair, ameliorative, nonfatal, innocuous, useful, optimistic, healthful, innocent, inoffensive, creative, upbeat, harmless, rosy, rose-colored, formative, productive, nonlethal, healthy, encouraging, constructive, preservative, helpful, salubrious, nondestructive, wholesome, protective.