Wordnet 3.0
NOUN (1)
1.
leader of the minority party in a legislature;
WordNet (r) 3.0 (2006):
minority leader
n 1: leader of the minority party in a legislature
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "minority leader":
MP, Member of Congress, Member of Parliament, alderman,
assemblyman, chosen freeholder, city father, congressman,
congresswoman, councilman, floor leader, lawgiver, lawmaker,
legislator, majority leader, party whip, representative, senator,
solon, state senator, whip