Jeez this place is turning into Lookism!
Incel: definition
Etymology
From involuntary celibate by shortening.
Noun
incel (plural incels)
(neologism) A person who never has sex despite wishing to.
2004, Phineas Mollod & Jason Tesauro, The Modern Lover: A Playbook for Suitors, Spouses & Ringless Carousers, Ten Speed Press (2004), ISBN 1580086012, page 90: "Though, involuntary celibates (or incels) shouldn't try to rationalize a dateless season or pass off sexual awkwardness as virtue; […]"