- thickly crowded or closely set: a dense crowd
- thick; impenetrable
- having a high density
- stupid; dull; obtuse
- (of a photographic negative) having many dark or exposed areas
WordReference Random House Learner's Dictionary of American English © 2017
- having parts closely packed together;
crowded:a dense forest.
difficult to see through:a very dense fog.
- difficult to understand:dense writing.
dense•ness, n. [uncountable]
- having the component parts closely compacted together;
crowded or compact:a dense forest; dense population.
- Photographyrelatively opaque;
transmitting little light, as a photographic negative, optical glass, or color.
- difficult to understand or follow because of being closely packed with ideas or complexities of style:a dense philosophical essay.
- Mathematicsof or pertaining to a subset of a topological space in which every neighborhood of every point in the space contains at least one point of the subset.
- Latin dēnsus thick; cognate with Greek dasýs
- 1.See corresponding entry in Unabridged congested, crammed, teeming;