not a jot

not a jot

Not even a tiny or the smallest amount (of something). I worked all of that overtime and received not a jot of extra cash for my efforts. Look at him—there's not a jot of shame in his eyes for what he's done. A: "Did you get any help on your assignment from the study group?" B: "Not a jot. They were all too busy gossiping."
See also: jot, not
Farlex Dictionary of Idioms.

not one/a ˈjot (or ˈtittle)

(informal) not even the smallest amount: There’s not a jot of truth in the story. It seems that his divorce has not affected him one jot. She doesn’t seem to care a jot what I do.
See also: jot, not, one
Farlex Partner Idioms Dictionary
See also:
  • not one/a jot
  • iota
  • not an iota
  • aint
  • ain't
  • not for a instant
  • not by any means
  • by no means
  • hope not
  • (I) hope not
References in classic literature
Among these were many well-known rascals, who cared not a jot for study or for success.
Adventures Of Pinocchio
If you belonged to a club, you could get a much better supper at the same hour, and lose not a jot in public esteem.
Tales and Fantasies
"The culprits care not a jot about the damage the dumping is causing tothe environment" Laziness is one, selfishness is another and ignorance is a third.
The people dumping their rubbish in lay-bys, at roadsides, in fields and any secluded corner they can find care not a jot about the damage they are doing to the environment or the work they are creating for others.
Fly-tippers lazy, selfish and ignorant; The Voice of the North
There are many like me who love Bahrain and the Gulf for the life it has given us and security, but many give not a jot for that, they are here for money and lifestyle and care not a jot for the reality or truth of the region.
Truth of the matter