devilish
/ˈdɛvl̟ɪʃ/
adjective
Britannica Dictionary definition of DEVILISH
[more devilish; most devilish]
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
have a devilish time
informal + somewhat old-fashioned
:
to have a difficult time doing something
— devilishly
/ˈdɛvl̟ɪʃli/
adverb
-
a devilishly cruel villain
-
a devilishly attractive man
-
a devilishly [=very] hard/difficult problem