big time 
informal
noun (the big time)
The highest or most successful level in a career, especially in entertainment: a bit-part actor who finally made the big time in Hollywood...
- They are a big club with a beautiful new stadium and they are geared towards the big time and expectation levels are high.
- Assured handling transformed familiar ingredients into a global success and the big time beckoned.
- Welcome to the big time St Kilda where success comes at a definite cost even if Brisbane has yet to pay it.
adverb
On a large scale; to a great extent: this time they’ve messed up big time...
- Sussex fans will be celebrating big time if Sharks win because it means they will finish top of the second division.
- That's going to cost big time, and in some notable cases the better players are going to be tempted out of the country.
- He joins us now from Houston, Texas, for a look at how a famous name can move a product big time.
Derivatives
big-timer
- In fact, tomorrow night, I know, in the finale, you've got some big-timers.
- Pollack's casts bulge with big-timers whose personalities often stand in for character and motivation.
- Now a bona fide big-timer at home, Lau, like other local talent, is looking to branch out internationally.
- Cardiganshire
- cardinal
- cardinalate
- cardinal beetle
- cardinal fish
- cardinal flower
- cardinal humour
- cardinality
- cardinally
- cardinal number
- cardinal point
- cardinal red
- cardinalship
- cardinal sin
- cardinal virtue
- cardinal vowel
- card index
- carding wool
- Cardin, Pierre
- cardio
- cardio-
- cardiodynia
- cardiogram
- cardiograph
- cardiographer