What's the opposite of dependent?

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Antonyms: unaddicted, unconditional, unconditioned. Synonyms: pendent, drug-addicted, restricted, subordinate, qualified, strung-out, subject, dependent, certified, pendant, hooked. dependent, dependant, drug-addicted, hooked, strung-out(adj).
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Antonyms: unaddicted, unconditional, unconditioned. Synonyms: pendent, drug-addicted, restricted, subordinate, qualified, strung-out, subject, dependent, certified, pendant, hooked. dependent, dependant, drug-addicted, hooked, strung-out(adj).
'Of every dollar China received on its goods exports, it now is only spending around 75 cents on imported goods. ... And if you just look at manufactures, for every dollar China receives it spends only about 50 cents on imports.
By sowing their kernels as seeds, humans propagated another mutation that resulted in an inferior plant, but a superior food. ... As maize ears grew larger, in short, the plant ended up being entirely dependent on humans for its continued existence.
But their use can lead to long-term dependency on them to keep the colon moving — or, as some have put it, an addicted colon in need of a laxative fix. Still, using a stimulant laxative two or three times a week for a fairly extended period is likely to be safe.