dense

/dens/
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dense

The dense fog made it impossible to see the road ahead.

Definition
  1. Adjective:
    • Having parts closely packed together; thick: Describes something with its components arranged very closely, leaving little space between them.
    • Hard to penetrate; thick: Describes something that is difficult to see through or pass through because of its compactness or opacity.
    • Slow to understand; obtuse: Describes a person who is perceived as slow-witted or lacking quickness of mind.
Examples of Usage
  • Describing physical compactness:
    • The fog was so dense that we couldn't see the road.
    • They built a house in a dense forest.
  • Describing stupidity or slowness of mind:
    • The textbook's explanation was too dense for the beginners. (Here, "dense" metaphorically describes the complexity and impenetrability of the text, making it hard to understand.)
    • He can be a bit dense when it comes to understanding subtle hints.
Advanced Usage
  • In physics and chemistry: Used to describe a substance with high mass per unit volume (high density).
    • Gold is a very dense metal.
  • In literary or formal critique: Describes writing or ideas that are tightly packed with information or meaning, and therefore potentially difficult to comprehend.
    • Her prose is rich and dense, rewarding careful reading.
Variants and Related Words
  • Densely (adverb): In a dense manner.
    • The area is densely populated.
  • Density (noun): The degree of compactness of a substance; the quantity of people or things in a given area.
    • The population density of the city is very high.
  • Condense (verb): To make something denser or more concentrated.
    • The editor asked me to condense the chapter.
Synonyms
  • Thick: Having a large distance between opposite surfaces; dense in consistency. (e.g., thick soup, thick fog).
  • Compact: Closely and neatly packed together; dense.
  • Obtuse: Annoyingly insensitive or slow to understand.
  • Impenetrable: Impossible to pass through or enter; impossible to understand.
Antonyms
  • Sparse: Thinly dispersed or scattered.
  • Clear: Easy to perceive, understand, or see through.
  • Intelligent: Having or showing intelligence.
Related Phrases and Idioms
  • Dense with: Full of or crowded with.
    • The air was dense with the scent of flowers.
  • (As) dense as a post: An informal idiom emphasizing extreme stupidity or slowness to understand.
    • I've explained it three times, but he's as dense as a post.
dense

The dense fog made it impossible to see the road ahead.

Adjective
  1. slow to learn or understand; lacking intellectual acuity
    • so dense he never understands anything I say to him
    • never met anyone quite so dim
    • although dull at classical learning, at mathematics he was uncommonly quick- Thackeray
    • dumb officials make some really dumb decisions
    • he was either normally stupid or being deliberately obtuse
    • worked with the slow students
  2. having high relative density or specific gravity
    • dense as lead
  3. hard to pass through because of dense growth
    • dense vegetation
    • thick woods
  4. permitting little if any light to pass through because of denseness of matter
    • dense smoke
    • heavy fog
    • impenetrable gloom