- (formerly) trousers or breeches.
Origin of unmentionable
Examples from the Web for unmentionables
Perhaps merkin awareness is growing as more actors are mentioning their unmentionables.
A word belonging to the same squeamish, affected family as unmentionables, inexpressibles, &c.The Slang Dictionary|John Camden Hotten
Well, unmentionables, my dear—I thought I should have died with laughter.The Cockaynes in Paris|Blanchard Jerrold
Alfred insisted that the unmentionables Mrs. Young loaned him should be the basis of his clown suit.Watch Yourself Go By|Al. G. Field
So Edith sidled out of the room without looking around at her protege, while Star pulled on her unmentionables.Edith and John|Franklin S. Farquhar
His vest was scarlet; his unmentionables drab kerseymere, to which jockey-boots were added.
- unsuitable or forbidden as a topic of conversation
- (as noun)the unmentionable