Another word for thick
compact, dense, close, impenetrable, impervious, condensed, compressed, multitudinous, numerous, lush, rank, crowded, solid, packed, populous, profuse, populated, swarming, heaped, abundant, concentrated, crammed, full, congested, packed together, closely packed, inspissated, like sardines in a can*, jam-packed*; see also full 1, 3, jammed 2.
Of heavy consistency
compact, heavy, viscous, viscid, dense, syrupy, ropy, coagulated, imporous, curdled, turbid, gelatinous, grumous, glutinous, gummous, gummy, grumose, opaque, vitrified, ossified, clotted; see also adhesive.
thick, in this connection, suggests a great number of constituent parts massed tightly together thick fur; close, in this comparison, refers to something whose parts or elements are near together with little space between close-order drill; dense suggests such a crowding together of elements or parts as to form an almost impervious mass a dense fog; compact suggests close and firm packing, esp. within a small space, and usually implies neatness and order in the arrangement of parts a compact bundlethrough thick and thin*
Another word for thickadjective
Relatively great in extent from one surface to the opposite:fat. See thick
Short, heavy, and solidly built:blocky, chunky, compact1, dumpy, heavyset, squat, stocky, stodgy, stubby, stumpy, thickset. See fat
Having all parts near to each other:close, compact1, crowded, dense, packed, tight. See tighten
Growing profusely:dense, heavy, lush1, luxuriant, profuse, rank2. See big
Having a dense or viscous consistency:gelatinous, heavy, stodgy. See solid
Lacking in intelligence:blockheaded, dense, doltish, dumb, hebetudinous, obtuse, stupid, thickheaded, thick-witted. (Slang) dimwitted, dopey. See ability
Very closely associated:chummy, close, familiar, friendly, intimate1. (Slang) tight. Idiom: hand in glove with. See love