Open English Wordnet
Nouns
(n)freelancer, freelance, free-lance, free lance, independent, self-employed persona writer or artist who sells services to different employers without a long-term contract with any of them
Adjectives
(a)independentfree from external control and constraint“an independent mind”, “a series of independent judgments”, “fiercely independent individualism”
(s)autonomous, independent, self-governing, sovereign(of political bodies) not controlled by outside forces“an autonomous judiciary”, “a sovereign state”
(a)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”