(n.) A word compounded of so and ever, used in composition with who, what, where, when, how, etc., and indicating any out of all possible or supposable persons, things, places, times, ways, etc. It is sometimes used separate from the pronoun or adverb.

anyhow anyway anywise at any cost at any rate by any chance by any means by merest chance ever however if at all in any case in any event in any way irregardless nevertheless nohow nonetheless of any description of any kind regardless soever whatever whatsoever