BLANCH Meaning of BLANCH in English I. verb Synonyms: whiten 1, bleach, blench, decolor, decolorize, whiteII. verb Synonyms: recoil , blench, flinch, quail, shrink, squinch, start, wince Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003