ruinous
0 antonyms and opposites of ruinous, grouped by meaning.
Adj — Causing ruin; destructive, calamitous.
We haven't recorded synonyms for ruinous yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From Middle English ruynous, from Old French ruinos, ruineus, from Latin ruīnōsus. By surface analysis, ruin + -ous.
Full origin of ruinous →