NICHE Meaning of NICHE in English niche BrE AmE niːʃ nɪtʃ AmE nɪtʃ— Preference poll, British English: niːʃ 95%, nɪtʃ 5%. In American English only nɪtʃ. ▷ niches ˈniːʃ ɪz ˈnɪtʃ-, ˈnɪʃ-, -əz AmE ˈnɪtʃ əz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012