adjective
thicker; -est
[also more ~; most ~]
having a large distance between the top and bottom or front and back surfaces :not thin
having a specified distance from one surface to the opposite surface :having a specified thickness
having parts that are close together
growing closely together and in a large amount
difficult to see through :dense
of a liquid :not flowing easily
a of speech or the voice :difficult to understand
b of a person's accent :very easy to notice
informal :stupid
not used before a noun
a chiefly US :existing in great numbers or large amounts
having great numbers or a large amount of something - + with
not used before a noun informal :having a close and friendly relationship
a thick ear
Brit informal :the punishment of being hit on the side of the head
(a) thick skin
blood is thicker than water
thick on the ground
existing or occurring in large amounts
adverb
thicker; -est
[also more ~; most ~]
in a way that makes thick pieces, layers, etc.
in great numbers
lay it on thick
noun
in the thick of
in the most active or intense part of (something)
through thick and thin
through many difficult times over a long period
US