Adjective: ruinous
Comparison Forms
Synthetic
Perifrastic
| Comparative | more ruinous |
| Superlative | most ruinous |
Sample Sentences
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They were forced to completely replace the roof at ruinous expense.
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We are rapidly reversing the economic calamity we inherited from the previous administration, including ruinous price increases and record-setting inflation, inflation like we've never had before. [2025 September 23, Donald Trump, speech at United Nations:]
Adjectives inflected like ruinous
priest-ridden,
unreposed,
evadible,
dissentious,
dissentient,
unforesighted,
egocentrical,
unephemeral,
unennobling,
mensuralist,
flocculent,
unseductive,
whoopsy,
whooshy,
surrogate,
Nicodian,
unrepaired,
prismatoidal,
renorenal,
unseducible, etc. (List truncated at 20 adjectives)
Etymology
From Middle English ruynous, from Old French ruinos, ruineus, from Latin ruīnōsus. By surface analysis, ruin + -ous. See: Latin Adjectives '
ruīnōsus'.