- The definition of chubby is someone plump, rounded or slightly overweight.
When you have a toddler who is round and plump, this is an example of someone who would be described as chubby.
A chubby cat.
chubby definition by Webster's New World
- chubbiness noun
chubby definition by American Heritage Dictionary
adjective chub·bi·er, chub·bi·est
Origin: Probably from chub (from the plumpness of the fish).
- chubˈbi·ly adverb
- chubˈbi·ness noun