ANT: Free, liberate, open, set free.
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KEY: Imprisonment.
SYN: Restraint, incarceration, durance, confinement.
ANT: Freedom, liberation.
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KEY: Improper, [See PROPER].
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KEY: Improve.
SYN: Better, amend, ameliorate, emend, correct, mend, rectify, reform, [See AMELIORATE].