adv. [f. WHY + EVER adv. 8 d, c.] a. rel. For whatever reason. b. interrog. An emphatic extension of why, implying perplexity or surprise (colloq.; more properly as two words).
1891. Voice (N. Y.), 20 Aug. Whatever it is and whyever it is.
Mod. Whyever [or Why ever] did you do that?
