'Hairsplitting' definitions:

Definition of 'hairsplitting'

(from WordNet)
adjective
Developed in excessively fine detail; "finespun distinctions" [syn: finespun, hairsplitting]
noun
Making too fine distinctions of little importance; "they didn't take his hairsplitting seriously" [syn: hairsplitting, word-splitting]

Definition of 'Hairsplitting'

From: GCIDE
  • Hairsplitting \Hair"split`ting\ (-t[i^]ng), a. Making excessively fine or trivial distinctions in reasoning; overly subtle. -- n. The act or practice of making trivial distinctions. [1913 Webster]
  • The ancient hairsplitting technicalities of special pleading. --Charles Sumner. [1913 Webster]

Synonyms of 'hairsplitting'

From: Moby Thesaurus