implacable

Unable to pacify.
Unable to appease.
Unrelenting.
My enemy is implacable
by Robin December 05, 2004
mugGet the implacablemug.

implacable

A descriptive word indicative of a person who is predisposed to very clean teeth.
The guy is so implacable that his dentist had to give up his business.
by Paradoctor April 22, 2018
mugGet the implacablemug.