THICK

I. adjective Etymology: Middle English thikke, from Old English thicce; akin to Old High German dicki ~, Old Irish tiug Date: before 12th century 1. having or being of relatively great depth or extent from one surface to its opposite , heavily built ; ~set , 2. close-packed with units or individuals , occurring in large numbers ; numerous , viscous in consistency , sultry , stuffy , marked by haze, fog, or mist , impenetrable to the eye ; profound , extremely intense , measuring in ~ness , 4. imperfectly articulated ; indistinct , plainly apparent ; decided , producing inarticulate speech , obtuse , stupid , associated on close terms ; intimate , exceeding bounds of propriety or fitness ; excessive , ~ish adjective ~ly adverb II. adverb Date: before 12th century in a ~ manner ; ~ly, III. noun Date: 13th century the most crowded or active part , the part of greatest ~ness