1640s, from un- (1) "not" + enviable (adj.). Related: Unenviably.
in the unenviable position of resorting to an act he had planned to save for the climax of the campaign
unenviable notoriety
unending
unendurable
un-English
unenlightened
unenthusiastic
unenviable
unequal
unequivocal
unerring
UNESCO
unethical