big deal

American  

[big deel] / ˈbɪg ˈdil /

noun

1. an important or impressive person or thing.

   to make a big deal out of nothing;

   I hear he's a big deal on Wall Street now.

2. (used ironically as an interjection to indicate that one considers something to be unimportant or unimpressive).

   So you're the mayor's cousin—big deal!

---

idioms

1. (it’s) no big deal. no big deal

big deal British  

interjection

1. slang an exclamation of scorn, derision, etc, used esp to belittle a claim or offer

---

big deal More Idioms  

1. A matter of great interest or importance, as in Performing in Symphony Hall is a big deal for everyone in the chorus . [c. 1940] Also see under make a federal case out of .

2. So what? Who cares? For example, So you got the job after all—well, big deal! This use of the phrase as an ironic interjection dates from approximately the same time.

---

Etymology

Origin of big deal

First recorded in 1945–50

Example Sentences

He told Salon that the case before the court “could be a very big deal.”

From Salon

It’s a big deal, particularly for a market that has largely cooled to American films.

From Los Angeles Times

After receiving the award, the boy said: "Even to this day, I don't see it as a big deal but from other people's perspective it is."

From BBC

If the effort fails, it will be another bruise for an investment firm that recently stumbled in its attempt at another big deal buying the U.K.’s Telegraph and its sister paper the Spectator.

From The Wall Street Journal

BTS's comeback is a big deal for fans, but also a huge moment for South Korea.

From BBC