Definition of hairsplitter in English:

hairsplitter

Pronunciation /-ˌsplitər/

noun

See hairsplitting

‘Human consciousness is too important to be left to the hair-splitters.’
  • ‘They are the most preposterous and unjustified of all the guesses which can be made about the universe, and I am not enough of a hair-splitter to pretend that I don't regard them as arrant and negligible moonshine.’
  • ‘However, don't go endlessly back and forth between suppliers in an attempt to grind out a rock-bottom price, otherwise you'll be marked down as a time waster and a hair-splitter.’