Definition of big deal
- what's the big deal?
The party was a big deal.
The cost didn't seem like much to me, but I know it was a big deal for many people.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'big deal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: something that is very important
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