/en"ee wun', -weuhn/ , pron.
any person at all; anybody: Did anyone see the accident?
[ 1350-1400; ME ani on. See ANY, ONE ]
Usage . ANYONE as a pronoun meaning "anybody" or "any person at all" is written as one word: Does anyone have the correct time? The two-word phrase ANY ONE means "any single member of a group of persons or things" and is often followed by of: Can any one of the members type? Any one of these books is exciting reading. ANYONE is somewhat more formal than ANYBODY. See also each, they .