BLENCH Meaning of BLENCH in English I. verb Synonyms: recoil , blanch, flinch, quail, shrink, squinch, start, winceII. verb Synonyms: whiten 1, blanch, bleach, decolor, decolorize, white Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003