Synonyms: self-asserting, self-assertive, assertive
Definition: aggressively self-assured
Usage: an energetic assertive boy who was always ready to argue; pointing directly at a listener is an assertive act
Similar words: cocky
Definition: overly self-confident or self-assertive
Usage: a very cocky young man
Similar words: emphatic, forceful
Definition: forceful and definite in expression or action
Usage: the document contained a particularly emphatic guarantee of religious liberty