Same word as small:

baby, bantam, bitty, cramped, diminutive, humble, immature, inadequate, inconsequential, inconsiderable, insufficient, limited, little, meager, microscopic, mini, miniature, minuscule, minute, modest, narrow, paltry, petite, petty, picayune, piddling, pint-sized, pitiful, pocket-sized, poor, puny, runty, scanty, scrubby, short, shrimp, slight, small-scale, stunted, teensy, teeny, toy, trifling, trivial, undersized, unpretentious, wee, young