implacable

About 0.95 uses per million words.

Meaning

1. adjective Not able to be placated or appeased.
2. adjective Impossible to prevent or stop; inexorable, unrelenting, unstoppable.
3. adjective Adamant; immovable.

Similar words

unappeasable unmitigable inexorable unrelenting relentless unforgiving stern grim intractable irreconcilable

Often followed by

enemy enemies hatred and foe hostility in foes opposition

Word family

implacabilities implacability implacably