Emily Dickinson Lexicon

DEV'IL-ISH, a.

1. Partaking of the qualities of the devil; diabolical; very evil and mischievous; malicious; as, a devilish scheme; devilish wickedness. – Sidney.
2. Having communication with the devil; pertaining to the devil. – Shak.
3. Excessive; enormous; in a vulgar and ludicrous sense; as, a devilish cheat. – Addison.