Who Definition

ho͝o
pronoun
What or which person or persons.
Who is he? I asked who he was; I don't know who he is.
Webster's New World
The person or persons that, or a person that: used to introduce a relative clause.
The man who came to dinner.
Webster's New World
Any person or persons that; whoever.
who steals my purse steals trash”
Webster's New World
(interrogative pronoun) What person or people; which person or people (used in a direct or indirect question).
Who is that? (direct question)
I don't know who it is. (indirect question)
Wiktionary
(Note that who is usually used instead of whom, especially in informal contexts.)
Wiktionary
abbreviation
World Health Organization.
Webster's New World
The World Health Organization.
Wiktionary
noun
A person under discussion; a question of which person.
Wiktionary
Synonyms:
  • World Health Organization

Other Word Forms of Who

Noun

Singular:
who
Plural:
whos

Idioms, Phrasal Verbs Related to Who

Origin of Who

  • From Old English hwā (dative hwām, genitive hwæs), from Proto-Germanic *hwaz, from Proto-Indo-European *kÊ·os, *kÊ·is. Compare West Frisian wa, Dutch wie, German wer.

    From Wiktionary

  • Middle English from Old English hwā kwo- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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