countable a comment or description that makes something seem better, worse, larger, more important etc than it really isTo describe it as depression would be an exaggeration – she was just not very happy.
a slight exaggeration/a bit of an exaggeration (=often used for saying that someone is exaggerating a lot): We’ve had the worst rain since the Biblical flood – well, maybe that’s a slight exaggeration.
a gross exaggeration (=something that is not true at all): To say that the government has failed is a gross exaggeration.
be no exaggeration (=to be true): It is no exaggeration to say that Jackson was one of the most influential politicians of the 20th century.