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n. pl. sis·sies
1. A person regarded as timid or cowardly.
2. Offensive A boy or man regarded as effeminate.
3. Informal Sister.

[ Diminutive of sis.]

sis′si·fied′ (-fīd′) adj.
sis′si·ness, sis′sy·ness n.
sis′sy·ish adj.


rather effeminate
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.sissyish - having unsuitable feminine qualities
unmanful, unmanlike, unmanly - not possessing qualities befitting a man


Having qualities more appropriate to women than to men:
References in periodicals archive ?
If a girl can become something like a cowboy by putting on the outfit and playing the part, and if a cowboy can maintain male respect by hiding his weakness, then the outfit is the essence of the cowboy, and presumably, it always keeps closeted what would appear to be unmanly and sissyish, even in actual males.
Henley had hidden Ernst and Ernest beneath their initials; and Hemingway's father Clarence, who had an equally sissyish name, was called the more manly "Ed." So Hemingway gave himself--and all his friends, wives and children--facetious nicknames and everyone in his circle had to surrender his real name.
Anything less was sissyish, an offense to their manhood" (p.