1
: evil and cruel
a devilish [=sinister] villain
devilish [=diabolical] tricks
2
: showing a desire to cause trouble but in a way that is not serious
She was attracted by his devilish charm.
There was a devilish look of mischief in her eyes.
a devilish [=mischievous] grin
Cite this Entry
“Devilish.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/devilish. Accessed 17 Apr. 2026.
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