/ ɪgˌzædʒəˈreɪʃn; NAmE / noun
[ C , usually sing. , U ] a statement or description that makes sth seem larger, better, worse or more important than it really is; the act of making a statement like this :
a slight / gross / wild exaggeration
It would be an exaggeration to say I knew her well—I only met her twice.
It's no exaggeration to say that most students have never read a complete Shakespeare play.
He told his story simply and without exaggeration.