TUBBY Meaning of TUBBY in English adjective Synonyms: rotund 2, chubby, plump, plumpish, plumpy, podgy, pudgy, roly-poly, roundabout, tubby Idioms: plump as a dumpling ( or partridge) Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003