dense

Having relatively high density.

Compact; crowded together.

The regions of densest population are the tributaries and banks of the Huai above Pang-pu and the diked areas along the right bank of the Yangtze.[…] There are four large towns—Ho-fei, the capital; Huai-nan; Pang-pu; and Wu-hu.

Thick; difficult to penetrate.

... mantling the slopes are other still denser forests, where the Pacara (Enterolobium timbavica), Lapacho (Tecoma stans), Quina-Quina (Myroxilon peruanum), urunday (allied to the Lapacho) Quefioa (Rosacea Polylepis racemosa), Cascaron ...

And Vickers launched forth into a tirade very different from his platform utterances. He spoke with extreme contempt of the dense stupidity exhibited on all occasions by the working classes. He said that if you wanted to do anything for them, you must rule them, not pamper them.

Opaque; allowing little light to pass through.

Obscure or difficult to understand.

And if you're experiencing a weird sensation after that clip that you can't quite place, it's because it was nice! It was happy kids talking about how they're able to be themselves, and you don't usually get nice things on this show, which at this point is honestly mainly dense statistics and facts and occasional Pikachu porn!

A thicket.