ruinous

[ roo-uh-nuhs ]
/ ˈru ə nəs /

adjective

bringing or tending to bring ruin; destructive; disastrous: a ruinous war.
fallen into ruin; dilapidated: a ruinous house.
consisting of ruins: a ruinous city from antiquity.

Origin of ruinous

1350–1400; Middle English ruynouse < Latin ruīnōsus, equivalent to ruīn(a) ruin + -ōsus -ous

OTHER WORDS FROM ruinous

Words nearby ruinous

Example sentences from the Web for ruinous

British Dictionary definitions for ruinous

ruinous
/ (ˈruːɪnəs) /

adjective

causing, tending to cause, or characterized by ruin or destruction a ruinous course of action

Derived forms of ruinous

ruinously, adverb ruinousness, noun