thick

modif.

1. Dense

   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.

   Antonyms scattered*, sparse*, wide-open. *

2. Deep

   high, in depth, three-dimensional, from front to back, edgewise; see also deep 2.

   Antonyms long*, wide*, across. *

3. 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.

   Antonyms light*, porous*, filmy. *

4. Not clear

   cloudy, turbid, indistinct; see dull 2, muddy 1, obscure 1.

5. Stupid

   obtuse, ignorant, doltish; see dull 3.

6. *Intimate

   cordial, familiar, fraternal; see friendly 1, intimate 1.

7. *Presumptuous

   insolent, tactless, unbearable; see rude 2.

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 bundle

through thick and thin*