Effrontery/ɪˈfrʌntəri/ Definition 1 of 1Pro Tip 1/3Negative Connotation Effrontery has a negative connotation, suggesting shameless boldness. His effrontery in interrupting the speaker was unacceptable. Pro Tip 2/3Not Playful Unlike 'cheeky', 'effrontery' does not imply humor or playfulness. She showed sheer effrontery, not a playful tease, when she insulted him. Pro Tip 3/3Strong Disapproval Use 'effrontery' to express strong disapproval of someone's behavior. I couldn't believe he had the effrontery to plagiarize my work.