"independent" in the noun sense
1. mugwump, independent, fencesitter
a neutral or uncommitted person (especially in politics)
2. freelancer, freelance, free-lance, free lance, independent, self-employed person
a writer or artist who sells services to different employers without a long-term contract with any of them
"independent" in the adjective sense
free from external control and constraint
"an independent mind"
"a series of independent judgments"
"fiercely independent individualism"
2. autonomous, independent, self-governing, sovereign
of political bodies) not controlled by outside forces
"an autonomous judiciary"
"a sovereign state"
3. independent, main
of a clause) capable of standing syntactically alone as a complete sentence
"the main (or independent) clause in a complex sentence has at least a subject and a verb"
not controlled by a party or interest group
Source: WordNet® (An amazing lexical database of English)
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