You-know-who
pron
pron ·Rare ·Advanced level
Definitions
Pronoun
- 1 Person or entity whose name one does not want to mention but which is known to the person to whom one is speaking.
"And 'St—'st—'st and What's-his-name, and also You-know-who / The task of filling up the blanks I'd rather leave to you."
- 2 Alternative spelling of you-know-who. alt-of, alternative
Example
More examples"I saw you-know-who at the market today."
Etymology
From you + know + who.
More for "you-know-who"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.