Definition of fool
(Entry 1 of 3)
1 : a person lacking in judgment or prudence
Only a fool would ride a motorcycle without wearing a helmet.
2a : a retainer (see retainer entry 1 sense 1) formerly kept in great households to provide casual entertainment and commonly dressed in motley with cap, bells, and bauble
3a : a harmlessly deranged person or one lacking in common powers of understanding
b : one with a marked propensity or fondness for something
a dancing fool a fool for candy
4 : a cold dessert of pureed fruit mixed with whipped cream or custard
fool
adjectivefool
verbfooled; fooling; fools
Definition of fool (Entry 3 of 3)
1a : to behave foolishly told the children to stop their fooling —often used with around
b : to meddle, tamper, or experiment especially thoughtlessly or ignorantly
don't fool with that gun —often used with around
2a : to play or improvise a comic role
b : to speak in jest : joke I was only fooling
3 : to contend or fight without serious intent or with less than full strength : toy a dangerous man to fool with
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Time Traveler for fool
The first known use of fool was in the 13th century
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