/ˌɪmplˈækəbli/ iˌmplə-ˈkā-bəl-ee

Definitions

1. adverb

in a firm and uncompromising manner; not willing to yield or compromise.

“The politician was criticized for her implacably hardline stance on the issue.”

2. adjective

not willing to yield or compromise; firm and uncompromising.

“The judge’s implacable attitude towards the defendant was evident throughout the trial.”