unmentionable

Definitions

Too embarrassing, offensive, or scandalous to be spoken about.

Not fit to be mentioned or discussed in polite society.

An item of clothing, especially underwear, that is considered too intimate to be named directly.

Examples

The scandal was considered so scandalous that it became an unmentionable topic in polite society.

He accidentally tore his unmentionables while climbing over the fence.

Synonyms

taboo forbidden unspeakable indiscreet shameful prohibited hushed

Antonyms

mentionable acceptable permissible speakable appropriate disclosable common