CATCH UP Meaning of CATCH UP in English verb 1.Synonyms: catch 3, benet, ensnare, entangle, entrap, snare, tangle, trap 2.Synonyms: enthrall 2, fascinate, grip, hold, mesmerize, spellbind Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003