(noun) the mistake of not following suit when able to do so. Synonyms: renege.
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Noun Definition 1
(verb) fail to follow suit when able and required to do so.
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Verb Definition 1
(verb) cancel officially. Synonyms: annul, lift, countermand, reverse, repeal, overturn, rescind, vacate. Examples: "He revoked the ban on smoking." "Lift an embargo." "Vacate a death sentence."