The antonyms for the word "more unassertive" include confident, assertive, self-assured, decisive, and self-confident. Someone who is unassertive lacks confidence and has a tendency to avoid confrontation or expressing their own opinions. However, people who possess traits such as confidence or self-assurance are more likely to assert themselves and stand up for what they believe in. Being decisive indicates a person who can make decisions easily and effectively, while self-confidence is characterized by a belief in oneself and one's abilities. All of these antonyms offer a helpful guide for anyone looking to be more assertive and confident in their daily life.