s/v26153

Information
has gloss	(verb) become tense, nervous, or uneasy; "He tensed up when he saw his opponent enter the room" tense up, tense
lexicalization	eng: tense up
lexicalization	eng: tense
subclass of	(verb) undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election" turn, change state

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opposite	(verb) become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work" loosen up, relax, unbend, unwind, decompress, slow down