dense

  • (s) permitting little if any light to pass through because of denseness of matter
    • dense smoke
    • heavy fog
    • impenetrable gloom
    impenetrable, heavy,
  • (s) hard to pass through because of dense growth
    • dense vegetation
    • thick woods
    thick,
  • (s) having high relative density or specific gravity
    • dense as lead
  • (s) 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
    dumb, slow, obtuse, dim, dull,

Synonyms

impenetrable heavy thick dumb slow obtuse dim dull

Words of close approximity

dent deny
Deneb denim
dense blazing star dense-leaved elodea densely denseness