dense
definition: slow to learn or understand
example:
speech part: adjective
synonyms:
slow
definition: having high relative density or specific gravity
example: dense as lead
speech part: adjective
synonyms:
definition: hard to pass through because of dense growth
example: dense vegetation
speech part: adjective
synonyms:
thick
definition: permitting little if any light to pass through because of denseness of matter
example: dense smoke
speech part: adjective
synonyms:
heavy