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riproarious

An old-fashioned American colloquial adjective meaning wildly hilarious, boisterously funny, or riotously fun.

ˌɹɪpˈɹɔːɹi.əshistorical229 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

An old-fashioned American colloquial adjective meaning wildly hilarious, boisterously funny, or riotously fun. It's an intensified variant of 'uproarious,' with 'rip-' as an emphatic prefix suggesting the kind of laughter that tears you apart. Common in 19th-century American vernacular and frontier speech, it conveys the spirit of a rowdy, over-the-top good time. While largely archaic today, it occasionally resurfaces in humorous or nostalgic writing to evoke that larger-than-life, old-West energy.

The comedian's set was riproarious — the whole crowd was in tears by the end.
Origin: Likely formed from 'rip' (as an intensifier) plus a modification of 'uproarious'; consistent with 19th-century American frontier slang that favored exaggerated compound formations. Editorial expansion authored on Slangora (model-assisted, hedged).
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#2·Apr 27, 2026

(US, archaic, colloquial) Full of hilarity.

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