diminutive
dɪˈmɪnjʊtɪv
adjective
extremely or unusually small.
a diminutive figure dressed in black
tiny,small,little,petite,minute,miniature,mini,minuscule,microscopic,nanoscopic,small-scale,compact,pocket,toy,midget,undersized,short,stubby,elfin,dwarfish,dwarf,pygmy,bantam,homuncular,Lilliputian,wee,teeny,weeny,teeny-weeny,teensy-weensy,itty-bitty,itsy-bitsy,dinky,baby,pint-sized,half-pint,sawn-off,knee-high to a grasshopper,titchy,ickle,tiddly,little-bitty,vest-pocket
noun
a diminutive word or suffix.