'big league' definitions:
Definition of 'big league'
From: WordNet
noun
The most important league in any sport (especially baseball) [syn: major league, big league, majors]
Synonyms of 'big league'
From: Moby Thesaurus
- big,
- big-name,
- big-time,
- bigwig,
- bigwigged,
- consequential,
- considerable,
- double-barreled,
- earthshaking,
- grand,
- great,
- heavyweight,
- high-powered,
- important,
- major,
- material,
- momentous,
- name,
- self-important,
- significant,
- substantial,
- superior,
- world-shaking