from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To retract (an oath), often by swearing another oath.
- intransitive v. To recant or retract something sworn.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To recall a previously sworn oath.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To recant or recall, as an oath; to recall after having sworn; to abjure.
- intransitive v. To recall an oath.
from The Century Dictionary and Cyclopedia
- To recant, revoke, or recall by a subsequent oath; retract by a second oath; abjure.
- To recant or recall on oath.
un- + swear (Wiktionary)