hair-splittingly

hair-splittingly

With extremely minute, unimportant, or imperceptible differences or details. (Used before an adjective.) I think it's clear to see that the defendant's work is only hair-splittingly distinct from that of my client.
Farlex Dictionary of Idioms.
See also:
  • it's six of one and half a dozen of the other
  • It's six of one, half a dozen of another
  • just the same
  • be just the same (to someone)
  • just the same (to one)
  • in a/the flash of an/the eye
  • little old
  • little-old
  • be not worth the paper it's printed on
  • lightweight
References in periodicals archive
Barber suggests buying hair-splittingly sharp knives, a wooden rice tub to cool and gloss rice, a bamboo strainer, shellfish tools, a pressed sushi mould and a bamboo rolling mat.
Buchloh's dilalectical elaboration seems so attenuated, so hair-splittingly niggling, that the wished-for sublation comes dangerously close to an equation.