Meaning of “allegation” - Learner’s Dictionary

allegation

noun [ C ] uk us /ˌælɪˈɡeɪʃən/

a statement that someone has done something wrong or illegal, made without proof that this is true:

allegations of corruption
[ + that ] He denied allegations that he had cheated.

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