Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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parts of speech:
noun, transitive verb, intransitive verb, adjective
nobody's fool, fool away
Word Combinations (noun, verb), Word History, Word Explorer
part of speech: noun
definition 1: one who lacks good sense, judgment or comprehension, or who fails to display these qualities on a specific occasion.
You were a fool to invest your money in that get-rich-quick scheme.
chump, dolt, half-wit, idiot, knucklehead, ninny, nitwit, numskull, simpleton, tomfool
similar words:
ass, blockhead, booby, dummy, dunce, dunderhead, ignoramus, imbecile, nincompoop, oaf, sap
definition 2: one who has been or is likely to be deceived, imposed upon, or made to look silly.
He's a fool who can't even see that his wife is being unfaithful to him.
dupe, gull, sucker
similar words:
butt, gudgeon, half-wit, laughingstock, pigeon, sap, simpleton, sitting duck
definition 3: one employed to entertain by acting comically and foolishly, as formerly in royal or noble households; jester.
The king called for his fool.
similar words:
buffoon, clown, harlequin, merry-andrew
definition 4: one who has an unreasonable enthusiasm for some activity.
I'm a fool for any kind of sports.He's a working fool.
similar words:
buff, devotee, enthusiast, fan, votary
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phrase: nobody's fool
part of speech: transitive verb
inflections: fooled, fooling, fools
definition 1: to dupe or deceive.
You're not fooling me with that excuse!The trick was carried out so well that it fooled everyone in the audience.
deceive, dupe, hoodwink, kid, spoof, trick
similar words:
bamboozle, bluff, cheat, con, cozen, gull, hoax, mislead, mock, rogue, swindle
definition 2: to surprise or prove wrong.
I'd thought he was just an average kid, but he fooled me; he was really quite brilliant.
phrase: fool away
part of speech: intransitive verb
definition 1: to pretend, as to some unintended purpose or objective.
He threatened to jump off the ledge, but he was only fooling.
fake, feign, make believe, pretend
similar words:
counterfeit, playact, sham
definition 2: to act without serious purpose or objective (usu. fol. by around).
We were fooling around instead of working.
lollygag, mess around
similar words:
dally, fiddle around, frolic, play, putter, trifle
definition 3: to handle or tamper with idly or carelessly (usu. fol. by with).
He fooled with the gun and accidentally shot himself in the foot.
meddle, mess, monkey, tamper
similar words:
toy, trifle
definition 4: to act or speak stupidly or in jest; play the fool; joke.
She was still angry at what he said even though he told her he'd just been fooling.It's hard to take him seriously when he's always fooling.
jest, joke
similar words:
clown around, horse around, josh, kid
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part of speech: adjective
definition: (informal) lacking good sense; silly; foolish.
He got a fool notion to tease the rattlesnake.
foolish, idiotic, silly
similar words:
asinine, brainless, crackbrained, senseless, stupid, unwise
Word History
Fool comes from follis, a Latin word that means "bellows" or "leather bag." Later, it came to be used for an empty-headed person.
Word Explorer
  belief, character, personality