Antonyms of adj unapologetic

1 sense of unapologetic

Sense 1
unapologetic (vs. apologetic) -- (unwilling to make or express an apology; "an unapologetic believer")

apologetic (vs. unapologetic), excusatory -- (offering or expressing apology; "an apologetic note"; "an apologetic manner")
        => defensive, justificative, justificatory -- (attempting to justify or defend in speech or writing)
        => self-deprecating -- (conscious of your own shortcomings)

Similarity of adj unapologetic

1 sense of unapologetic

Sense 1
unapologetic (vs. apologetic) -- (unwilling to make or express an apology; "an unapologetic believer")