Thesaurus

ruinous

adjective

Synonyms and Antonyms of ruinous

  1. 1 bringing about ruin or misfortune a ruinous miscalculation of the financial markets left them bankrupt Synonyms of ruinous calamitous, cataclysmal (or cataclysmic), catastrophic, damning, destructive, disastrous, fateful, fatal, unfortunateWords Related to ruinous apocalyptic (also apocalyptical); hapless, ill-fated, ill-starred, luckless; adverse, baleful, baneful, damaging, deleterious, detrimental, evil, harmful, hurtful, ill, injurious, noxious, pernicious, prejudicialNear Antonyms of ruinous fluky (also flukey), fortuitous, fortunate, happy, lucky, providential; auspicious, bright, encouraging, fair, golden, heartening, hopeful, optimistic, promising, propitious, rose-colored, rosy, upbeat

  2. 2 causing or tending to cause destruction a ruinous windstorm destroyed the crops Synonyms of ruinous annihilatory, calamitous, cataclysmal (or cataclysmic), devastating, devastative, disastrous, destructiveWords Related to ruinous antibiotic, biocidal; baleful, deadly, deathly, fatal, fell, killer, lethal, mortal, murderous, pestilent, poisonous, virulent, vital; deleterious, detrimental, harmful, perniciousNear Antonyms of ruinous preservative, protective; constructive, creative, formative, productive; harmless, innocent, innocuous, inoffensive; ameliorative, helpful, useful; healthful, healthy, nonfatal, nonlethal, salubrious, wholesomeAntonyms of ruinous nondestructive


Learn More about ruinous


Seen and Heard

What made you want to look up ruinous? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to suppress quietly or indirectly

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!