big time

Definition of Big Time in English :

1. big time

the highest level of an occupation (especially in entertainment)

WordNet Lexical Database for English. Princeton University. 2010.

Big Time

noun

the big time

adjective

informal

relating to or involved in the big time

He took a long time to settle in to big-time football.

a big-time investment banker

Slang

1.

vaudeville performed in the top-ranking, big-city theatrical circuits, at high pay

2.

the level regarded as highest in any profession, occupation, etc.

adjective, adverb

Slang

at, of, or to a very great degree, extent, etc.

a big-time swindle, to be hurt big-time

n.
Informal

The most prestigious level of attainment in a competitive field: made it to the big time with his latest film.

adj.

Significant or important; major: a bigtime comedian.

adv.

To an extreme degree; very much: Sales are expanding, bigtime.