exaggeration · noun C or U /ɪgˌzædʒ.əˈreɪ.ʃən/Full view
C1 when you describe something as larger, better, worse, etc. than it really is
Dictionary example:

a slight/gross exaggeration of the facts

Learner example:

You wrote about "a sudden downpour of rain" which was a huge exaggeration. (Certificate in Advanced English; C1; Swedish)

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