- what one?: Which of these do you want? Which do you want?
- whichever; any one that: Choose which appeals to you.
- (used relatively in restrictive and nonrestrictive clauses to represent a specified antecedent): The book, which I read last night, was exciting. The socialism which Owen preached was unpalatable to many. The lawyer represented five families, of which the Costello family was the largest.
- (used relatively in restrictive clauses having that as the antecedent): Damaged goods constituted part of that which was sold at the auction.
- (used after a preposition to represent a specified antecedent): the horse on which I rode.
- (used relatively to represent a specified or implied antecedent) the one that; a particular one that: You may choose which you like.
- (used in parenthetic clauses) the thing or fact that: He hung around for hours and, which was worse, kept me from doing my work.
- who or whom: a friend which helped me move; the lawyer which you hired.
- what one of (a certain number or group mentioned or implied)?: Which book do you want?
- whichever; any that: Go which way you please, you'll end up here.
- being previously mentioned: It stormed all day, during which time the ship broke up.
- used with a noun in requesting that its referent be further specified, identified, or distinguished from the other members of a class
- (as pronoun)
- (used in indirect questions)
- whatever of a class; whichever
- (as pronoun)
- used in relative clauses with inanimate antecedents
- as; and that: used in relative clauses with verb phrases or sentences as their antecedents
- a longer form of which, often used as a sentence connector
