Adjective: ruinateUsage: rare- Ruined or in a state of ruin
"ruinate buildings"
Verb: ruinateUsage: archaic- To ruin completely; to demolish or destroy
"The economic crisis ruinated many small businesses"
- To reduce to poverty or a state of ruin
"The gambling addiction ruinated his once-prosperous family"
Derived forms: ruinated, ruinates, ruinating