IPA: /tɪˈneɪʃəsnəs/
KK: /tɪˈneɪʃəsnəs/
The quality of being very determined and persistent in achieving something, even in the face of difficulties.
Her tenaciousness helped her overcome many obstacles in her career.
Tenaciousness → It is formed from "tenax" (from Latin, meaning holding fast or persistent) and the suffix "-ness" (meaning the state or quality of). The word "tenaciousness" refers to the quality of being persistent or holding firmly to something.
Think of someone who is 'holding fast' ('tenax') to their goals — that's why tenaciousness means being persistent.