annul :: Lexipedia - Where words have meaning

v. formally reject or disavow a formerly held belief, usually under pressure; "He retracted his earlier statements about his religion"; "She abjured her beliefs"

refuse to acknowledge, disavow

v. refuse to acknowledge; disclaim knowledge of; responsibility for, or association with; "Her husband disavowed her after 30 years of marriage and six children"

disclaim, renounce title to

v. renounce a legal claim or title to

withdraw, take back, unsay

v. take back what one has said; "He swallowed his words"

retire, withdraw

v. withdraw from active participation; "He retired from chess"

veto, interdict, forbid, prohibit, proscribe, disallow

v. command against; "I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"

validate, formalize, declare valid

v. declare or make legally valid

pass, clear, authorize, authorise, permit officially

v. grant authorization or clearance for; "Clear the manuscript for publication"; "The rock star never authorized this slanderous biography"

sign, ratify

v. approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?"

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