[ sis-ee ]
/ ˈsɪs i /

noun, plural sis·sies.

Disparaging and Offensive. an effeminate boy or man.
a timid or cowardly person.
a sister, especially a younger sister.


of, relating to, or characteristic of a sissy.

Origin of sissy

An Americanism dating back to 1840–50; sis + -y2
Related formssis·sy·ish, adjectivesis·si·ness, sis·sy·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sissy

British Dictionary definitions for sissy



/ (ˈsɪsɪ) /

noun plural -sies

an effeminate, weak, or cowardly boy or man


effeminate, weak, or cowardlyAlso (informal or dialect): sissified, cissified
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sissy



1846, "sister," extended form of sis (q.v.). Meaning "effeminate man" is recorded from 1887; the adjective in this sense is from 1891. Related: Sissiness. Sissy bar is recorded from 1969.

Online Etymology Dictionary, © 2010 Douglas Harper