Definition: unable to be calmed or appeased
Part of Speech: Adjective
Synonym(s): hardheaded, stubborn
Antonym(s): compliant, agreeable
1. The implacable woman refused to calm down.
2. Because Jack has an implacable need for revenge, he won’t be satisfied until he kills his enemy.
3. There is nothing you can say to stop the implacable judge from sending you to prison.