Something minced, utterly! (4)
I believe the answer is:
oath
I'm afraid I can't even guess how this answer relates to the clue.
Can you help me to learn more?
(Other definitions for oath that I've seen before include "darn, for example" , "Solemn promise to tell the truth or be loyal" , "Vow or expletive" , "bad language" , "One sworn" .)