FOLD UP Meaning of FOLD UP in English verb 1.Synonyms: give 12, bend, break, cave, collapse, crumple, go, yield 2.Synonyms: ruin 3, bankrupt, break, bust, impoverish, pauper, pauperize Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003