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v. re·voked, re·vok·ing, re·vokes
To invalidate or cause to no longer be in effect, as by voiding or canceling: Her license was revoked.
To fail to follow suit in cards when required and able to do so.
Failure to follow suit in a card game when required and able to do so.
[Middle English revoken, from Old French revoquer, from Latin revocāre : re-, re- + vocāre, to call; see wekw- in Indo-European roots.]