thick

The thickest, or most active or intense, part of something.

“It was mayhem in the thick of battle.”

A thicket.

A stupid person; a fool.

To thicken.

Relatively great in extent from one surface to the opposite in its smallest solid dimension.

Measuring a certain number of units in this dimension.

“I want some planks that are two inches thick.”

Heavy in build; thickset.

“He had such a thick neck that he had to turn his body to look to the side.”

Densely crowded or packed.

“We walked through thick undergrowth.”

Having a viscous consistency.

“My mum’s gravy was thick but at least it moved about.”

Abounding in number.

“The room was thick with reporters.”

Impenetrable to sight.

“We drove through thick fog.”

(Of an accent) Prominent, strong.

Stupid.

“He was as thick as two short planks.”

Friendly or intimate.

“They were as thick as thieves.”

Deep, intense, or profound.

“Thick darkness.”

Troublesome; unreasonable

(chiefly of women) Curvy and voluptuous, and especially having large hips.

In a thick manner.

“Snow lay thick on the ground.”

Frequently or numerously.

“The arrows flew thick and fast around us.”