- (formerly) trousers or breeches.
Examples from the Web for unmentionable
Finally, 27 minutes and 48 seconds into his monologue, Benjamin Netanyahu mentioned the unmentionable: Palestinians.
What really set her off was mentioning the unmentionable—that 18 years ago, she shot Mary Jo Buttafuoco.
The unmentionable image rattles down to the core of our brain.
I am an instigator of degrading immorality and unmentionable crimes.The Eyes of the World|Harold Bell Wright
Lost in smoke, the clerk grumbled that the gory affair was unmentionable nonsense.Dragon's blood|Henry Milner Rideout
Quite possibly there were unmentionable volumes among them—de Maupassant, perhaps Boccaccio.The Confession|Mary Roberts Rinehart
People assume that Urnings seek their pleasure only or mainly in an act of unmentionable indecency.A Problem in Modern Ethics|John Addington Symonds
Why the unmentionable mischief do you waste your energies, singing like that at a rehearsal?The Dominant Strain|Anna Chapin Ray
British Dictionary definitions for unmentionable
- unsuitable or forbidden as a topic of conversation
- (as noun)the unmentionable