Synonyms for ruinous:
damaging, perilous, insidious, dangerously, kamikaze, adverse, hazardous, precarious, combustible, prejudicial, overactive, perilously, treacherous, cataclysmic, parlous, malign, unsafe, mortally, cataclysmal, wanton, sketchy, lunatic, inimical, undesirable, threatening, marauding, lethal, dangerous.
Other synonyms and related words:
damaging, convulsive, bad, ferocious, kamikaze, insalubrious, calamitous, marauding, mischievous, damning, hostile, suicidal, threatening, injurious, mortal, hot, malign, terrible, serious, pestilential, precarious, nasty, pernicious, dangerously, dilapidated, noisome, hurtful, cataclysmal, devastative, perilous, tumbledown, rundown, disastrous, deadly, fatal, adverse, fateful, tragic, glowering, noxious, lethal, devastating, unsafe, ramshackle, suspect, prejudicial, unhealthful, negative, treacherous, Annihilatory, baneful, poisonous, detrimental, deleterious, blaring, dangerous, foul, unfortunate, ill, cataclysmic.
Sense 1 (noun)
Sense 3 (noun)
Sense 4 (noun)
Sense 6 (noun)
Usage examples for ruinous:
- His allusion to Huckaback's ruinous insult to Messrs. - "Ten Thousand a-Year. Volume 1.", Samuel Warren.
- The question had come to be discussed widely among their friends, as is the custom with such questions in such circumstances, and Mary had been told from all sides that she was bound to give it up,- that she was bound to give it up for her own sake, and more especially for his; that the engagement, if continued, would never lead to a marriage, and that it would in the meantime be absolutely ruinous to her,- and to him. - "The Vicar of Bullhampton", Anthony Trollope.