adverb
(interrogative) For what cause, reason, or purpose.
(relative) For which cause, reason, or purpose.
(fused relative) The cause, reason, or purpose for which.
noun
Reason.
interjection
(dated or literary) An exclamation used to express pleasant or unpleasant mild surprise, indignation, or impatience.
verb
(intransitive, transitive) To ask (someone) the question "why?".
noun
(Yorkshire, obsolete) A young heifer.
noun
Alternative form of wye; the name of the Latin-script letter Y/y.