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fool

1 fool /ˈfuːl/ noun
plural fools
1 fool
/ˈfuːl/
noun
plural fools
Britannica Dictionary definition of FOOL
[count]
: a person who lacks good sense or judgment : a stupid or silly person
◊ A smart or clever person can be described as no fool or as nobody's fool.
US, informal : a person who enjoys something very much
chiefly British : a dessert made with cooked fruit and cream or a thick sauce
: jester

act/play the fool

: to behave in a silly or foolish way

make a fool of yourself

: to behave in a very foolish or silly way

make a fool (out) of

: to cause (someone) to look stupid or foolish
see also april fools' day
2 fool /ˈfuːl/ verb
fools; fooled; fooling
2 fool
/ˈfuːl/
verb
fools; fooled; fooling
Britannica Dictionary definition of FOOL
[no object] : to speak or act in a way that is not serious : joke, kid
[+ object] : to make (someone) believe something that is not true : to trick (someone)
often + into
sometimes used figuratively

fool around

[phrasal verb] informal also British fool about
: to do things that are not useful or serious : to waste time
: to have sex with someone who is not your husband, wife, or regular partner
often + with
fool around/about with (something)
: to use or do (something) in a way that is not very serious
: to handle or play with (something) in a careless or foolish way

fool with

[phrasal verb] informal
fool with (something)
: to handle or play with (something) in a careless way : to fool around with (something)
: to deal with or be involved with (something that causes or that could cause trouble)
fool with (someone) : to deal with (someone) in a way that may cause anger or violence
3 fool /ˈfuːl/ adjective
3 fool
/ˈfuːl/
adjective
Britannica Dictionary definition of FOOL
always used before a noun US, informal
: foolish