Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fool

3 senses of fool

Sense 1
fool, sap, saphead, muggins, tomfool -- (a person who lacks good judgment)
       => simpleton, simple -- (a person lacking intelligence or common sense)

Sense 2
chump, fool, gull, mark, patsy, fall guy, sucker, soft touch, mug -- (a person who is gullible and easy to take advantage of)
       => victim, dupe -- (a person who is tricked or swindled)

Sense 3
jester, fool, motley fool -- (a professional clown employed to entertain a king or nobleman in the Middle Ages)
       => clown, buffoon, goof, goofball, merry andrew -- (a person who amuses others by ridiculous behavior)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb fool

4 senses of fool

Sense 1
fool, gull, befool -- (make a fool or dupe of)
       => deceive, lead on, delude, cozen -- (be false to; be dishonest with)

Sense 2
fritter, frivol away, dissipate, shoot, fritter away, fool, fool away -- (spend frivolously and unwisely; "Fritter away one's inheritance")
       => consume, squander, waste, ware -- (spend extravagantly; "waste not, want not")

Sense 3
gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across -- (fool or hoax; "The immigrant was duped because he trusted everyone"; "You can't fool me!")
       => deceive, betray, lead astray -- (cause someone to believe an untruth; "The insurance company deceived me when they told me they were covering my house")

Sense 4
horse around, arse around, fool around, fool -- (indulge in horseplay; "Enough horsing around--let's get back to work!"; "The bored children were fooling about")
       => play -- (be at play; be engaged in playful activity; amuse oneself in a way characteristic of children; "The kids were playing outside all day"; "I used to play with trucks as a little girl")
       => joke, jest -- (tell a joke; speak humorously; "He often jokes even when he appears serious")