Synonyms of the word

mischievous

• adj. Causing mischief; injurious.
• adj. Troublesome, cheeky, badly behaved.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

harmful

• adj. of a kind likely to be damaging; injurious.

impish

• adj. mischievous; of or befitting an imp.

implike

• adj. Possessing the qualities or appearances of an imp.

naughty

• adj. Mischievous; tending to misbehave or act badly (especially of a child).
• adj. Sexually provocative; now in weakened sense, risqué, cheeky.
• adj. (now rare, archaic) Evil, wicked, morally reprehensible.
• adj. (obsolete) Bad, worthless, substandard.

pixilated

• adj. behaving in an eccentric manner, as though led by pixies.
• adj. whimsical.
• adj. drunk.

playful

• adj. liking play, prone to play frequently, such as a child or kitten; rather sportive.
• adj. funny, humorous, jesting, frolicsome.
• adj. fun, recreational, not serious.
• adj. experimental.

prankish

• adj. Given to or characterized by impishness or playfulness; mischievous.

puckish

• adj. mischievous; excessively playful.

wicked

• adj. Evil or mischievous by nature.
• adj. (slang) Excellent; awesome; masterful; deeply satisfying.
• adv. (slang, New England, Britain) Very, extremely.
• n. (usually humorous) People who are wicked.
• v. simple past tense and past participle of wick.
• adj. Having a wick.
• adj. (Britain, dialect, chiefly Yorkshire) Infested with maggots.