[im-plak-uh-buh
l, -pley-kuh-] 
| not to be appeased, mollified, or pacified; inexorable: an implacable enemy. |
| im·plac·a·ble (ĭm-plāk'ə-bəl, -plā'kə-) adj. Impossible to placate or appease: implacable foes; implacable suspicion. [Middle English, from Old French, from Latin implācābilis : in-, not; see in-1 + plācābilis, placable; see placable.] im·plac'a·bil'i·ty, im·plac'a·ble·ness n., im·plac'a·bly adv. |