Pronunciation enPR: chŭbʹē, IPA (key): /ˈtʃʌbi/ Audio (AU)(file) Adjective Positive chubby Comparative chubbier Superlative chubbiest If a person is chubby, they are slightly overweight or fat Synonym: plump Obviously the chubby child was eating too much. If a body part is chubby, it contains a moderate amount of fat. It's quite normal for babies to have chubby cheeks.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads