to act badly or in the wrong way
misbehave
a bad or wrong decision;error
mistake
tending to make minor bad choices; teasing; full of tricks;
naughty
mischievous
feeling badly; the condition of feeling unhappy
miserable
bad luck
misfortune
to make a wrong or unfair decision about someone
misjudge
to guide someone in the wrong direction; to be a bad influence
mislead
to spell a word the wrong way
misspell
to treat someone badly
mistreat
to think the wrong thing about what was communicated
misundeerstand