dense

1 having little space between items or parts the dense soil in the garden Synonyms of dense compact, crowded, close, jam-packed, packed, serried, thick, tightWords Related to dense crammed, jammed, overcrowded; crushed, massed, pressed, squeezed, wall-to-wall; airtight, snug; compacted, compressed, condensed, congested; firm, hard, solid; impenetrable, impermeable, imperviousNear Antonyms of dense commodious, roomy, spaciousAntonyms of dense airy, loose, open, uncrowded

2 not having or showing an ability to absorb ideas readily she accused him of being dense when he didn't seem to understand her at first Synonyms of dense airheaded, birdbrained, bonehead, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, stupid, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, oafish, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, thick, thickheaded, thick-witted, unintelligent, unsmart, vacuous, weak-minded, witlessWords Related to dense cretinous, feebleminded, simpleminded; boobish, foolish, idiotic (also idiotical), imbecile (or imbecilic), moronic; ignorant, illiterate, lowbrow, uneducated, uninformed, unintellectual, untaught, unthinking; absurd, asinine, balmy, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, featherheaded, fool, half-baked, harebrained, insane, kooky (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, silly, tomfool, unwise, wacky (also whacky), zany; fallacious, illogical, invalid, irrational, unreasonableNear Antonyms of dense ingenious, resourceful; acute, astute, discerning, insightful, keen, knowing, perceptive, percipient, perspicacious, sagacious, sage, sapient, savvy, wise; cerebral, erudite, highbrow, intellectual, knowledgeable, learned, literate, scholarly, thinking, well-read; educated, informed, schooled, skilled, trained; crafty, cunning, foxy, shrewd, wily; judicious, prudent, sane, sensible, sound; logical, rational, reasonable, validAntonyms of dense apt, brainy, bright, brilliant, clever, fast, hyperintelligent, intelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmart