thick, a. dense, coagulated, [crass], [gross], inspissate, inspissated, grumous, incrassated; [compact], turbid, [roily], feculent, [muddy]; (Colloq.) intimate, confidential.
thicken, v. coagulate, [condense], inspissate, [curdle], [concrete], incrassate.
thickening, a. inspissant.
thickening, n. inspissation, condensation, coagulation, incrassation.
thicket, n. shrubbery, [copse], chaparral, grove, boscage, bosk, spinny, [coppice].
thick-headed, a. pachycephalic, pachycephalous; [dull], [stupid], doltish.
thicklip, n. blobberlip.
thickness, n. denseness, density, compactness; grossness, crassitude, consistence; intimacy. Associated words: pachometer, pachymeter.
thick-skinned, a. pachydermatous; obtuse, [dull], [unimpressible].
thick-tongued, a. pachyglossal, crassilingual.