Meaning of "thick" in Essential English Dictionary


adjective uk /θɪk/

B1 Something that is thick is larger than usual between its opposite sides:

a thick layer of snow
→ Opposite thin

used to say how long the distance is from one side of something to the other:

a piece of wood 6 inches thick

B1 growing very close together and in large amounts:

thick, dark hair

Thick smoke, cloud, or fog is difficult to see through:

Thick, black smoke was pouring out of the chimney.

UK informal not intelligent

(Definition of “thick” from the Cambridge Essential Dictionary © Cambridge University Press)