Pocket Thesaurus
Antonyms of relax
unwind, recline, soften, calm, repose, rest, tranquilize, laze, calm down, knock off, loosen up, sit back, lie down, unbend, unlax, breathe easy, collect oneself, compose oneself, cool off, ease off, feel at home, hang loose, let oneself go, make oneself at home, settle back, simmer down, sit around, stop work, take a break, take a breather, take it easy, take ten, take time out, put one's feet up, take one's time
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