Stiff as a board and Thick

Thick and stiff as a board are semantically related. in hard topic. In some cases you can use "Thick" instead an adjective phrase "Stiff as a board".

Thick adjective - Having or being of relatively great depth or extent from one surface to its opposite.

Stiff as a board and thick are semantically related. You can use "Stiff as a board" instead an adjective "Thick".

Nearby Words: thicken, thickness, thickened, thicket, thickhead