dense

Having relatively high density.

Đồng nghĩa: solid

Compact; crowded together.

Đồng nghĩa: compact, crowded, packed, close, compact, crowded, dense, solid, thick, tight

Thick; difficult to penetrate.

Đồng nghĩa: thick, solid

Opaque; allowing little light to pass through.

Đồng nghĩa: cloudy, opaque, adiaphanous, nontransparent, opacous, opacular, opaque, thick

Obscure or difficult to understand.

Đồng nghĩa: abstruse, difficult, hard, incomprehensible, obscure, tough, abstruse, Chinese, dense, enigmatic, fathomless, Greek, inapprehensible, incognizable, incomprehensible, ineffable, inenubilable, inexplicable, impenetrable, insensible, inscrutable, insoluble, insolvable, mysterious, nonunderstandable, obscure, retruse, tenebrose, thick, undecipherable, undiscoverable, unexplainable, unfathomable, ungraspable, unintelligible, unknowable, ununderstandable

(not comparable)(mathematics, topology, of a subset S of a topological space T, not comparable) Such that its closure in T is T.

Slow to comprehend; of low intelligence. (of a person)

Đồng nghĩa: dumb, slow, stupid, thick, addlebrained, addlepated, airheaded, bee-brained, beef-witted, beefheaded, beetle-headed, birdbrained, blockheaded, Boeotian, boneheaded, boofheaded, braindead, brainless, bubbleheaded, buffle-headed, bullet-headed, cerebrally challenged, childish, chowderheaded, chuckleheaded, crackbrained, cretinous, daft, dense, dented, dim-bulb, dim-headed, dim-witted, dim, doltish, dopey, dozy, drowsy, dull-headed, dull-minded, dull-witted, dull, dumber than a box of rocks, dumb, dunderheaded, empty-headed, fatheaded, feeble-minded, flea-brained, foolish, fuzzy-headed, fuzzy-minded, goofy, half-brained, half-witted, hammer-headed, idiotic, ignorant, imbecilic, inane, insipid, intellectually challenged, knuckleheaded, lamebrained, lowbrow, lumpish, lunkheaded, mentally challenged, mentally retarded, mindless, monosynaptic, moronic, muttonheaded, nitwitted, numbskulled, oafish, obtuse, peabrained, pratty, pudding-headed, puerile, purblind, quarter-witted, retarded, ridiculous, rockheaded, sharp as a bowling ball, sheep-headed, silly, simple, slow, slow on the uptake, slow-witted, smooth-brained, stolid, stupid, thick-skulled, thickheaded, thickwitted, thick, unapprehensive, unclever, uninformed, unintelligent, unsmart, vacant, vacuous, witless, wooden-headed, wool-headed, woolly-headed, woolly-minded, dumb as a bag of hammers, dumb as a box of rocks, dumb as a doorknob, dumb as an ox, dumb as a post, dumb as a sack of hammers, dumb as dirt, dumber than a rock, not the sharpest crayon in the box, not the sharpest knife in the drawer, not the sharpest tool in the shed, thick as a brick, thick as a plank, thick as champ, thick as mince, thick as two short planks, thick as a whale omelette, ass-brained, fuckwitted, shit-for-brains, thick as pig shit

A thicket.