[im-plak-uh-buh l, -pley-kuh-] /ɪmˈplæk ə bəl, -ˈpleɪ kə-/

not to be appeased, mollified, or pacified; inexorable:
an implacable enemy.
incapable of being placated or pacified; unappeasable
inflexible; intractable

unable to be appeased; irreconcilable
Word Origin

Latin im- + placare ‘to appease’

early 15c., from Old French implacable, from Latin implacabilis “unappeasable,” from assimilated form of in- “not, opposite of” (see in- (1)) + placabilis “easily appeased” (see placate). Related: Implacably.


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  • Implant

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  • Implantation

    [im-plan-tey-shuh n] /ˌɪm plænˈteɪ ʃən/ noun 1. the act of implanting. 2. the state of being implanted. 3. Pathology. 4. Medicine/Medical. the application of solid medicine underneath the skin. 5. Embryology. the attachment of the early embryo to the lining of the uterus. /ˌɪmplɑːnˈteɪʃən/ noun 1. the act of implanting or the state of being […]

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