What does "big deal" mean?

Something very important or difficult; a matter of great concern; a considerable feat or achievement.

What is a synonym for "big deal"?

Common synonyms include: big cheese, big enchilada, big fish, big gun, big shot, big wheel.

intj, noun, slang

intj, noun, slang ·Moderate ·College level

Noun

1
Something very important or difficult; a matter of great concern; a considerable feat or achievement. idiomatic, informal, often, sarcastic
"It's a big deal to him to get this promotion."
2
anything of great importance or consequence wordnet
3
Someone very important; a VIP. idiomatic, informal
"She's a big deal in music in Spain."
4
an important influential person wordnet

Intj

1
Indicates that something is not important or impressive; so what. idiomatic, informal, ironic
"He can run a mile in six minutes? Big deal! Some people can do it in four."

"It's a big deal to him to get this promotion."