measuring in the third dimension other than length and breadth, or in general dimension other than length; -- said of a solid body; as, a timber seven inches thick.-having more depth or extent from one surface to its opposite than usual; not thin or slender; as, a thick plank; thick cloth; thick paper; thick neck.-dense; not thin; inspissated; as, thick vapors. also used figuratively; as, thick darkness.-not transparent or clear; hence, turbid, muddy, or misty; as, the water of a river is apt to be thick after a rain.-abundant, close, or crowded in space; closely set; following in quick succession; frequently recurring.-not having due distinction of syllables, or good articulation; indistinct; as, a thick utterance.-deep; profound; as, thick sleep.-dull; not quick; as, thick of fearing.-intimate; very friendly; familiar.-the thickest part, or the time when anything is thickest.-a thicket; as, gloomy thicks.-frequently; fast; quick.-closely; as, a plat of ground thick sown.-to a great depth, or to a greater depth than usual; as, land covered thick with manure.-to thicken.