not a glimmer (of something)

not a glimmer (of something)

Not even the smallest amount (of something). The group of financial analysts said there is not a glimmer of hope that the economy will improve at any point this year. The team needed to come out with intensity if they wanted to stand a chance, but unfortunately they showed not a glimmer during that dreadful display. There wasn't a glimmer of remorse in his voice as he pleaded guilty to the horrible crimes.
See also: glimmer, not
Farlex Dictionary of Idioms.

not a glimmer (of an idea)

 and not a clue
Fig. no idea. A: Where's the subway? B: Sorry. Not a glimmer of an idea. How long till we're there? Not a clue.
See also: glimmer, not
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • not for a second
  • not for a minute
  • not for a moment
  • not for a/one minute/moment/second/instant
  • not for a instant
  • (I) hope not
  • hope not
  • not a jot
  • aint
  • ain't