Is “Misbehaviour” a Scrabble word?
Yes
MISBEHAVIOUR
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Misbehaviour
/ˌmɪsbəˈheɪvjə/
noun
1.Action or conduct that is inappropriate, improper, incorrect, or unexpected.
“The teacher did not tolerate misbehavior in his classroom.”
Synonyms: misconduct