Definition of "sissy"
sissy1
/ˈsɪsi/
noun
plural sissies
(derogatory, colloquial) An effeminate boy or man.
(BDSM) A male crossdresser who adopts feminine behaviours.
(colloquial) Sister.
adjective
comparative sissier, superlative sissiest
(derogatory) Effeminate.
(derogatory) Cowardly.
sissy2
/ˈsɪsi/