1. to withdraw (a statement, opinion, etc.) as inaccurate or unjustified, especially formally or explicitly; take back.
2. to withdraw or revoke (a decree, promise, etc.). verb (used without object)
3. to draw or shrink back.
4. to withdraw a promise, vow, etc.
5. to make a disavowal of a statement, opinion, etc.; recant.
"undertakings can be unretractable."
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