1. To recant solemnly; renounce or repudiate: “For nearly 21 years after his resignation as Prime Minister in 1963, he abjured all titles, preferring to remain just plain ‘Mr.’”(Time).
2. To renounce under oath; forswear.
[Middle English abjuren, from Old French abjurer, from Latin abirre : ab-, away; see ab-1 + irre, to swear; see yewes- in Indo-European roots.]
abjure – formally reject or disavow a formerly held belief, usually under pressure; “He retracted his earlier statements about his religion”; “She abjured her beliefs”
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re : ab-, away; see ab-1 + i
ju·ra