1. infant, very young child; honey, sweetie (term of endearment); childish person (Slang). spoil, indulge; treat like a baby. tiny, miniature, dwarf; babyish; pertaining to or resembling a baby. a person, can be said to either a man or a woman. babybaby (bāb&ybreve;), n.; pl. babies (-b&ibreve;z). [dim. of babe] an infant or young child of either sex; a babe