hairsplittingEnglishOxford New American Dictionaryhairsplitting /ˈherˌsplidiNG, ˈhɛrˌsplɪdɪŋ / ▸ adjective characterized by or fond of small and overfine distinctions: legal experts have a particularly hairsplitting mentality. ▸ noun the action of making small and overfine distinctions; quibbling. – DERIVATIVES hairsplitter /-ˌsplitər/ noun