[more ~; most ~] :very small

linguistics :indicating small size

A diminutive word or suffix is usually used in describing something small, often with the added suggestion that it is appealing or lovable in some way.

[count] a word or suffix that indicates that something is small

an informal form of a name

Diminutives can be a shortened form of a name (such as Jen for Jennifer and Dick for Richard) or a name with a diminutive suffix added to it (such as Bobby for Bob).