Pronunciation: (hOO-ev'ur),[key] —pron., possessivewhos•ev•er;objectivewhom•ev•er. 1. whatever person; anyone that: Whoever did it should be proud. Ask whoever is there. Tell it to whomever you like. 2. no matter who: I won't do it, whoever asks. 3. who? what person? (used to express astonishment, disbelief, disdain, etc.): Whoever is that? Whoever told you such a thing?