Antonyms of adj unappeasable

1 sense of unappeasable

Sense 1
grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting -- (not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood")

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

Similarity of adj unappeasable

1 sense of unappeasable

Sense 1
grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting -- (not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood")
       => implacable (vs. placable) -- (incapable of being placated; "an implacable enemy")