/ ˌmɪsbɪˈheɪv; NAmE / verb
misbehave (yourself) to behave badly :
[ v ]
Any child caught misbehaving was made to stand at the front of the class.
[ vn ]
I see the dog has been misbehaving itself again.
OPP behave
► mis·be·hav·iour ( BrE ) ( NAmE mis·be·hav·ior ) / ˌmɪsbɪˈheɪvjə(r); NAmE / noun [ U ]