Antonyms of adj unmitigable

1 sense of unmitigable

Sense 1
unmitigable -- (incapable of being mitigated; "stern and unmitigable accusations")

INDIRECT (VIA implacable) -> placable -- (easily calmed or pacified)

Similarity of adj unmitigable

1 sense of unmitigable

Sense 1
unmitigable -- (incapable of being mitigated; "stern and unmitigable accusations")
       => implacable (vs. placable) -- (incapable of being placated; "an implacable enemy")