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an·y·one (ĕnē-wŭn, -wən)
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pron.
Any person.

Usage Note: Anyone and anybody are single words formed from any and one or body. When followed by of, as in Any one of the boys could carry it by himself, the two words must be spelled separately (not Anyone of the boys), since the any applies to the entire phrase one of the boys, not just the word one.Anyone is often used in place of the traditionally correct (and more logical) everyone in sentences like She is the most intelligent person of anyone I know. This usage was long frowned upon by a majority of the Usage Panel: 64 percent rejected it in our 1964 ballot, and 60 percent in 2001. But the tide has turned: in our 2017 ballot, the Usage Panel accepted it 55 percent to 45 percent, while rejecting the supposedly correct alternative She is the most intelligent person of everyone I know 69 percent to 31 percent. Presumably an idiomatic reading, “compared to any single person I know,” outweighs the literal reading “out of all the people I know.” The implication of a one-by-one mental comparison may explain why the expression survives despite the fact that of anyone/everyone can be omitted altogether, yielding the more concise She is the most intelligent person I know, long recommended by style experts and accepted by virtually the entire Usage Panel. See Usage Note at they.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.