This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, resembling, or characteristic of a devil, as:

adj. Malicious; evil.

adj. Mischievous, teasing, or annoying.

adj. Excessive; extreme: devilish heat.

ad. Extremely; very.

adj. Resembling a devil.

adj. Characteristic of a devil.

adj. Extreme, excessive.

ad. Devilishly.

adj. Resembling, characteristic of, or pertaining to, the devil; diabolical; wicked in the extreme.

adj. Extreme; excessive.

Characteristic of the devil; befitting the devil, or a devil or demon; diabolical; malignant: as, a devilish scheme; devilish conduct.

Extreme; enormous.

Synonyms Satanic, infernal, hellish, impious, wicked, atrocious, nefarious.

Excessively; enormously.

ad. in a playfully devilish manner

adj. showing the cunning or ingenuity or wickedness typical of a devil

adj. playful in an appealingly bold way

"You may be in devilish fine form to-day, but your throat is rotten."

evil    playful   

devilishly    devilishness   

malicious    diabolical    detestable    destructive    hellish    infernal    satanic    wicked    extreme    excessive   

diabolical    wicked    malicious    infernal    hellish    satanic    sinister    inhuman    murderous    malevolent