Someone who is unabashed is not embarrassed or ashamed about openly expressing strong feelings or opinions.

// Unabashed by their booing and hissing, the artist continued with the musical performance.

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“Take the melodramatic storyline of a telenovela and tell it through the unabashed mediums of opera and drag, and you’ll have ‘Inebria Me,’ the subversive experimental opera by San Cha ending its West Coast tour at REDCAT this month. Latin dance fuses with queer storytelling as the sounds of ... punk, classical and electronic make up the performance, which pulls from creator San Cha’s 2019 album ‘La Luz de la Esperanza.’” — Katerina Portela, The Los Angeles Times, 3 Oct. 2025

To abash someone is to shake up their composure or self-possession, as illustrated by Charlotte Brontë in her 1849 novel Shirley: “He had never blushed in his life; no humiliation could abash him.” When you are unabashed you make no apologies for your behavior, nor do you attempt to hide or disguise it; but when you are abashed your confidence has been thrown off and you may feel rather inferior or ashamed of yourself. English speakers have been using abashed to describe feelings of embarrassment since the 14th century, but they have only used unabashed (brazenly or otherwise) since the 15th century (not that there’s anything wrong with that).