Synonyms for Assertive

Synonyms starting with letter O

• opinionated

  pert, complacent
• overbearing

  confident, aggressive
• obstinate

  emphatic
• overconfident
• obtrusive
• offensive
• officious
• overweening
• obdurate
• obnoxious
• one-sided
• oracular
• obligatory
• obtaining
• outweighing
• overbalancing
• overweighing
• orthodox
• on faith
• ornery
• obstreperous
• out of control
• out of line
• opinionate
• outright
• out-and-out
• one hundred percent
• optimistic
• over-confident
• out-of-line
• outgoing
• on ice
• oppressive
• on high horse
• on the make
• overfamiliar
• over-free
• of fixed views
• of preconceived ideas
• ostentatious