IPA: /ˈædəmənsi/
KK: /ˈædəmənsi/
The quality of being very determined and not willing to change one's mind or position.
Her adamancy in pursuing her goals inspired everyone around her.
Adamancy → It is formed from "adamas" (from Greek "ἀδάμας", meaning untameable or invincible) and the suffix "-cy" (meaning the state or quality of). The word "adamancy" refers to the quality of being unyielding or inflexible, akin to the invincibility of adamant.
Think of the Greek word for invincible ('adamas') to remember that 'adamancy' means the quality of being unyielding or inflexible.