diminutive -- (a word that is formed with a suffix (such as -let or -kin) to indicate smallness)
Overview of adj diminutive
The adj diminutive has 1 sense
bantam, diminutive, lilliputian, midget, petite, tiny, flyspeck -- (very small; "diminutive in stature"; "a lilliputian chest of drawers"; "her petite figure"; "tiny feet"; "the flyspeck nation of Bahrain moved toward democracy")