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

2 senses of geek

Sense 1
geek -- (a carnival performer who does disgusting acts)
       => performer, performing artist -- (an entertainer who performs a dramatic or musical work for an audience)

Sense 2
eccentric, eccentric person, flake, oddball, geek -- (a person with an unusual or odd personality)
       => anomaly, unusual person -- (a person who is unusual)