incel

/ˈɪnˌsɛl/noun
RareNot in standard dictionaries
1

A member of an online subculture of people (mostly men) who define themselves as unable to find a romantic or sexual partner despite desiring one.

2

An individual who is not sexually active despite having such a desire.

3

A misogynistic man, with the implication that his misogyny makes him undesirable to potential partners, thus limiting his romantic and/or sexual prospects.

4

"Involuntary celibacy": the state of being not sexually active despite wishing to be.

#derogatory#informal