not one/a jot

not a jot

Not even a tiny or the smallest amount (of something). I worked all of that overtime and didn't get 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

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