ruinous

ru·in·ous

adjective \ˈrü-ə-nəs\

: causing or likely to cause damage or destruction

: costing far too much money

: falling apart : badly damaged

Full Definition of RUINOUS

1

:  dilapidated, ruined

2

:  causing or tending to cause ruin

— ru·in·ous·ly adverb

— ru·in·ous·ness noun

Examples of RUINOUS

1. The house has fallen into a ruinous state.
2. <a ruinous miscalculation of the financial markets left them bankrupt>

First Known Use of RUINOUS

14th century

Related to RUINOUS

Synonyms

calamitous, cataclysmal (or cataclysmic), catastrophic, damning, destructive, disastrous, fateful, fatal, unfortunate

Antonyms

nondestructive

Related Words

apocalyptic (also apocalyptical); hapless, ill-fated, ill-starred, luckless; adverse, baleful, baneful, damaging, deleterious, detrimental, evil, harmful, hurtful, ill, injurious, noxious, pernicious, prejudicial

Near Antonyms

fluky (also flukey), fortuitous, fortunate, happy, lucky, providential; auspicious, bright, encouraging, fair, golden, heartening, hopeful, optimistic, promising, propitious, rose-colored, rosy, upbeat