pronoun, possessive whos·ev·er; objective whom·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?
Origin: 1125–75; Middle English; see
who,
ever