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noun \ˈfül\

Simple Definition of fool

  • : a person who lacks good sense or judgment : a stupid or silly person

  • : a person who enjoys something very much

  • : a dessert made with cooked fruit and cream or a thick sauce

Full Definition of fool

  1. 1 :  a person lacking in judgment or prudence

  2. 2 a :  a retainer formerly kept in great households to provide casual entertainment and commonly dressed in motley with cap, bells, and bauble b :  one who is victimized or made to appear foolish :  dupe

  3. 3 a :  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. 4 :  a cold dessert of pureed fruit mixed with whipped cream or custard

Examples of fool

  1. those fools who ride motorcycles without wearing helmets

  2. Only a fool would ask such a silly question.

  3. You'd be a fool to believe what he tells you.

  4. You're making yourself look like a fool.

Origin of fool

Middle English, from Anglo-French fol, from Late Latin follis, from Latin, bellows, bag; akin to Old High German bolla blister, balg bag — more at belly

First Known Use: 13th century




Definition of fool

  1. :  foolish, silly <barking its fool head off>

Examples of fool

  1. The dog was barking its fool head off.

  2. Some fool driver kept trying to pass me!

13th Century

First Known Use of fool

13th century




Simple Definition of fool

  • : to speak or act in a way that is not serious

  • : to make (someone) believe something that is not true : to trick (someone)

Full Definition of fool

  1. intransitive verb
  2. 1 a :  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

  3. 2 a :  to play or improvise a comic role b :  to speak in jest :  joke <I was only fooling>

  4. 3 :  to contend or fight without serious intent or with less than full strength :  toy <a dangerous man to fool with>

  5. transitive verb
  6. 1 :  to make a fool of :  deceive

  7. 2 obsolete :  infatuate

  8. 3 :  to spend on trifles or without advantage :  fritter —used with away

Examples of fool

  1. When she first told us that she was getting married, we thought she was fooling.

  2. His disguise didn't fool anybody.

  3. He really had me fooled.

  4. Stop fooling yourself—she doesn't really love you.


First Known Use of fool


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February 7, 2016

a slight offense

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