Antonyms of adj unbitter

1 sense of unbitter

Sense 1
unbitter -- (having or showing no resentment or desire for revenge; "remarkably unbitter toward her captors")

INDIRECT (VIA unresentful) -> resentful -- (full of or marked by resentment or indignant ill will; "resentful at the way he was treated"; "a sullen resentful attitude")

Similarity of adj unbitter

1 sense of unbitter

Sense 1
unbitter -- (having or showing no resentment or desire for revenge; "remarkably unbitter toward her captors")
       => unresentful (vs. resentful) -- (not resentful; "completely unresentful and forgiving")