det
whose
hooz
det
1
Belonging to which person; used to ask or show ownership.
"Whose coat is this on the chair?"
"The man whose car was stolen called the police."
pron
1
The one(s) belonging to whom.
"There are two bags here — whose are they?"
"I don't know whose this is."
How to Use Whose
Learner’s notesIn plain EnglishThe possessive form of "who" — used to ask or say who something belongs to.
Common mistake
Don't confuse with "who's" (short for "who is" or "who has"): "Whose bag is this?" vs "Who's coming tonight?"
Easily confused with
who's
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_____ coat is this on the chair?
Etymology
From Old English hwæs, the possessive form of who, going back to Proto-Germanic *hwaz.