Meaning of “resignation” - Learner’s Dictionary

resignation

noun uk us /ˌrezɪɡˈneɪʃən/
LEAVE JOB [ C, U ]

the act of telling your employer that you are leaving your job:

a letter of resignation
I handed in my resignation yesterday.
ACCEPT [ U ]

the feeling that you have to accept something that you do not like because you cannot easily change it

(Definition of “resignation” from the Cambridge Learner’s Dictionary © Cambridge University Press)