1. (adj)dense, heavy, impenetrable permitting little if any light to pass through because of denseness of matter Synonyms: laboured, sullen, laborious, heavy, dull, overweight, toilsome, slow, intemperate, sound, dumb, wakeless, dense, grueling, with child(p), threatening, grave, profound, lowering, cloggy, heavy(a), large(p), clayey, enceinte, grievous, fleshy, weighed down, hard, weighty, impenetrable, gruelling, expectant, lumbering, ponderous, backbreaking, sonorous, great(p), arduous, operose, dim, heavy(p), big(a), labored, punishing, thick, gravid, big(p), obtuse, leaden Antonyms: penetrable, smart, light, thin
2. (adj)dense, thick hard to pass through because of dense growth Synonyms: duncical, duncish, dull, dim, thickheaded, thick(p), loggerheaded, dense, impenetrable, chummy, thick-skulled, thickset, dumb, deep, slow, blockheaded, heavy, compact, stocky, boneheaded, wooden-headed, heavyset, obtuse, buddy-buddy, fatheaded, thick, slurred Antonyms: thin, penetrable, smart, light
3. (adj)dense having high relative density or specific gravity Synonyms: heavy, dull, obtuse, impenetrable, dim, thick, dumb, slow Antonyms: penetrable, light, smart, thin
1. dense That is obscure which the eye or the mind can not clearly discern or see through, whether because of its own want of transparency, its depth or intricacy, or because of mere defect of light. That w Synonyms: obscure, abstruse, darksome, dusky, involved, ambiguous, deep, enigmatical, muddy, cloudy, dense, hidden, mysterious, complex, difficult, incomprehensible, profound, complicated, dim, indistinct, turbid, dark, doubtful, intricate, unintelligible
Synonyms for dense 
