See dense in Webster's New World Roget's A-Z Thesaurus II
adjective
Having all parts near to each other:
close, compact1, crowded, packed, thick, tight. See tightenGrowing profusely:
heavy, lush1, luxuriant, profuse, rank2, thick. See bigLacking in intelligence:
blockheaded, doltish, dumb, hebetudinous, obtuse, stupid, thickheaded, thick-witted. (Informal) thick. (Slang) dimwitted, dopey. See ability
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