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| un·but·ton [ un bútt'n ] (past and past participle un·but·toned, present participle un·but·ton·ing, 3rd person present singular un·but·tons) |
verb |
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1. transitive verb undo clothes with buttons: to undo a garment by unfastening the buttons
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2. intransitive verb relax: to relax and become more talkative
(
informal
)
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