implacable
Implacable (adj) means Unable to be calmed or satisfied; unrelenting in hostility or determination. Example: “He became an implacable enemy of the regime.”
How to use implacable
Learner’s notesIn plain EnglishSo determined or hostile that nothing will calm them down or change their mind.
Word forms
- Comparative
- more implacable
- Superlative
- most implacable
Fill the gap
Can you complete this real example?
He became an _____ enemy of the regime.
Etymology
From Latin implacabilis, from im- ("not") + placabilis ("able to be appeased").