'big time' definitions:
Definition of 'big time'
From: WordNet
noun
The highest level of an occupation (especially in entertainment)
Synonyms of 'big time'
From: Moby Thesaurus
- action,
- ball,
- big,
- big-league,
- big-name,
- bigwig,
- bigwigged,
- consequential,
- considerable,
- double-barreled,
- earthshaking,
- fun,
- fun and games,
- funmaking,
- game,
- good time,
- grand,
- great,
- great fun,
- heavyweight,
- high old time,
- high time,
- high-powered,
- important,
- laughs,
- lovely time,
- major,
- material,
- momentous,
- name,
- picnic,
- play,
- pleasant time,
- self-important,
- significant,
- sport,
- substantial,
- superior,
- world-shaking