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foolish

[foo-lish] /ˈfu lɪʃ/
adjective
1.
resulting from or showing a lack of sense; ill-considered; unwise:
a foolish action, a foolish speech.
2.
lacking forethought or caution.
3.
trifling, insignificant, or paltry.
Origin
1250-1300
1250-1300; Middle English folish, foolish. See fool1, -ish1
Related forms
foolishly, adverb
foolishness, noun
overfoolish, adjective
overfoolishly, adverb
overfoolishness, noun
quasi-foolish, adjective
quasi-foolishly, adverb
unfoolish, adjective
unfoolishly, adverb
unfoolishness, noun
Synonyms
1, 2. senseless, vacant, vapid, simple, witless. Foolish, fatuous, silly, inane, stupid, asinine imply weakness of intellect and lack of judgment. Foolish implies lack of common sense or good judgment or, sometimes, weakness of mind: a foolish decision; The child seems foolish. Fatuous implies being not only foolish, dull, and vacant in mind, but complacent and highly self-satisfied as well: fatuous and self-important; fatuous answers. Silly denotes extreme and conspicuous foolishness; it may also refer to pointlessness of jokes, remarks, etc.: silly and senseless behavior; a perfectly silly statement. Inane applies to silliness that is notably lacking in content, sense, or point: inane questions that leave one no reply. Stupid implies natural slowness or dullness of intellect, or, sometimes, a benumbed or dazed state of mind; it is also used to mean foolish or silly: well-meaning but stupid; rendered stupid by a blow; It is stupid to do such a thing. Asinine originally meant like an ass; it applies to witlessly stupid conversation or conduct and suggests a lack of social grace or perception: He failed to notice the reaction to his asinine remarks. 1. imprudent, unreasonable, foolhardy, irrational; thoughtless, nonsensical, ridiculous, absurd, pointless, preposterous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unfoolish

foolish

/ˈfuːlɪʃ/
adjective
1.
unwise; silly
2.
resulting from folly or stupidity
3.
ridiculous or absurd; not worthy of consideration
4.
weak-minded; simple
5.
an archaic word for insignificant
Derived Forms
foolishly, adverb
foolishness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unfoolish

foolish

adj.

early 14c., from fool (n.) + -ish. Related: Foolishly; foolishness. Old English words for this were dysig, stunt, dol.

Online Etymology Dictionary, © 2010 Douglas Harper
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Idioms and Phrases with unfoolish
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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