(~r, ~st)
1.
Something that is ~ contains a lot of things or people in a small area.
Where Bucharest now stands, there once was a large, ~ forest...
They thrust their way through the ~ crowd.
? sparse
ADJ
~ly
Java is a ~ly populated island...
? sparsely
ADV: usu ADV -ed
2.
Dense fog or smoke is difficult to see through because it is very heavy and dark.
A ~ column of smoke rose several miles into the air.
= thick
ADJ
3.
In science, a ~ substance is very heavy in relation to its volume. (TECHNICAL)
...a small ~ star.
ADJ
4.
If you say that someone is ~, you mean that you think they are stupid and that they take a long time to understand simple things. (INFORMAL)
He’s not a bad man, just a bit ~.
= thick
ADJ: v-link ADJ