English · Question Words
whom
/huːm/
[/huːm/]
which person (object)
Advancedpronoun
Definition
A formal form of 'who' used as the object of a verb or preposition.
Example
To whom should I address this very important letter?
To whom should I address this very important letter?
Etymology
From Old English 'hwam', the dative of 'hwa' (who).
How & Where It’s Used
Formal; in casual speech 'who' usually replaces it.