exaggeration

US /ɪɡˌzædʒ.əˈreɪ.ʃən/
UK /ɪɡˌzædʒ.əˈreɪ.ʃən/
1.

phóng đại

the fact of making something seem larger, more important, better, or worse than it really is:

:
Sal estimates over 60 people were there but I think that's a slight exaggeration.