didn't care a whit

care a whit

To care just the smallest amount. (A "whit" is an iota.) Often used in the negative. I don't care a whit what the neighbors say, I'm not taking that fence down!
See also: care, whit

didn't care a whit

 and don't care a whit
didn't care at all. Sally thought Joe liked her, but he didn't care a whit about her. I don't care a whit what you do with my old clothes.
See also: care, whit
References in periodicals archive ?
Stone knows his movie isn't going to be the last word on a controversial figure who's viewed by many historians as a destroyer who didn't care a whit about spreading Hellenism.
USC won 17-7 and didn't care a whit that on an artistic level, the game was an overturned paint truck on the Harbor Freeway.
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