dense
-
(s) permitting little if any light to pass through because of denseness of matter
- dense smoke
- heavy fog
- impenetrable gloom
-
(s) hard to pass through because of dense growth
- dense vegetation
- thick woods
-
(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