dense

adjectives

permitting little if any light to pass through because of denseness of matter
"dense smoke"; "heavy fog"; "impenetrable gloom"
dense, heavy, impenetrable
is derived from
density
hard to pass through because of dense growth
"dense vegetation"; "thick woods"
dense, thick
is derived from
denseness
is derived from
density
having high relative density or specific gravity
"dense as lead"
dense
is derived from
denseness
is derived from
density
is similar to
of comparatively great physical weight or density
"a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"
heavy
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"
dense, dim, dull, dumb, obtuse, slow
is derived from
denseness