Dev″il‐ish, a. 1. Resembling, characteristic of, or pertaining to, the devil; diabolical; wicked in the extreme. “Devilish wickedness.” Sir P. Sidney.
This wisdom descendeth not from above, but is earthly, sensual, devilish. James iii. 15.
2. Extreme; excessive. Dryden.
Syn. — Diabolical; infernal; hellish; satanic; wicked; malicious; detestable; destructive.
— Dev″il‐ish‐ly, adv. — Dev″il‐ish‐ness, n.