fool

noun
B2+
1
B2+
a person who you think behaves or speaks in a way that lacks intelligence or good judgement
احمق, نادان, ساده‌لوح, نابخرد
synonym idiot
2
(in the past) a man employed by a king or queen to entertain people by telling jokes, singing songs, etc.
دلقک درباری
court fools who used to provide entertainment in the royal court
synonym jester
3
a cold light dessert(= a sweet dish) made from fruit that is cooked to make it soft and mixed with cream or custard
پوره میوه و خامه, دسر خامه‌ای
rhubarb fool
verb
1
to trick somebody into believing something that is not true
فریب دادن, گول زدن
2
to say or do stupid or silly things, often in order to make people laugh
شوخی کردن, خل بازی درآوردن, مسخره بازی درآوردن
Stop fooling around and sit down!
If you fool about with matches, you'll end up getting burned.
adjective
1
showing a lack of intelligence or good judgement
احمق, نادان
synonym silly, stupid, foolish