noun a neutral or uncommitted person (especially in politics)
noun a writer or artist who sells services to different employers without a long-term contract with any of them
adjective free from external control and constraint
Similarautarkicautonomousautonomousbreakawaycommutativefree-livingindieindividualself-sufficientself-supportingsingle-handedstrong-mindedunaffiliatedunconditional
Oppositesdependent
adjective (of political bodies) not controlled by outside forces
Similarfree
adjective (of a clause) capable of standing syntactically alone as a complete sentence
Synonymsmain
Oppositesdependent
adjective not controlled by a party or interest group
Similarnonpartisan
Source: WordNet 3.1, Princeton University