Etymology
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immoderate (adj.)

"excessive, extreme, lacking moderation," late 14c., from Latin immoderatus "boundless, immeasurable," figuratively "unrestrained, excessive," from assimilated form of in- "not, opposite of" (see in- (1)) + moderatus "within bounds, observing moderation;" figuratively "modest, restrained," past participle of moderari "to regulate, mitigate, restrain, temper, set a measure, keep (something) within measure," from PIE root *med- "take appropriate measures." Related: Immoderately.

updated on May 10, 2017

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Definitions of immoderate from WordNet

immoderate (adj.)
beyond reasonable limits;
immoderate laughter
immoderate spending
From wordnet.princeton.edu, not affiliated with etymonline.