maledictive

Example:His abusive behavior towards his colleague was shocking.

Definition:characterized by abuse; treating or speaking to someone in a harsh and insulting way.

Example:The player was sent off for his cursing at the referee.

Definition:using insulting or harsh language; cursing or swearing.

Example:She called him vile names during their heated argument.

Definition:extremely bad, unpleasant, or offensive in a physical or moral sense.