Swearing is making a strong promise or statement in God’s name. It is a kind of oath.
See Oath.
Bible dictionary
Swearing
The International Standard Bible Encyclopedia (1915)The classic article on this subjectSmith’s Bible Dictionary (1863)The entry on this subject
Adapted by Mission Mutual (Aquifer Open Bible Dictionary) from Tyndale Open Bible Dictionary © 2023 Tyndale House Publishers. CC BY-SA 4.0. About the sources