a small spot differing in color or substance from that of the surface or material upon which it appears or lies

Specks of soot on the window sill.

a very little bit or particle

We haven't a speck of sugar.

something appearing small by comparison or by reason of distance

By then the town was just a speck.

to mark with, or as with, a speck or specks.

noun

lot

noun

atom , blemish , blot , crumb , defect , dot , fault , flaw , fleck , flyspeck , grain , iota , jot , mark , mite , modicum , molecule , mote , particle , point , shred , smidgen , speckle , splotch , spot , stain , trace , whit , dash , pinpoint , dab , dram , drop , fragment , minim , ort , ounce , scrap , scruple , tittle , trifle , bit , pinch

verb

bespeckle , besprinkle , dapple , dot , fleck , freckle , mottle , pepper , sprinkle , stipple