Heavy in form, build, or stature; thickset: a thick neck.
Having component parts in a close, crowded state or arrangement; dense: a thick forest.
Having or suggesting a heavy or viscous consistency: thick tomato sauce.
Having a great number; abounding: a room thick with flies.
Impenetrable by the eyes: a thick fog.
Not easy to hear or understand; indistinctly articulated: the thick speech of a drunkard.
Producing indistinctly articulated sounds: the thick tongues of barbarians.
Strongly apparent; conspicuous: a thick brogue.
Informal Lacking mental agility; stupid.
Informal Very friendly; intimate: thick friends.
Informal Going beyond what is tolerable; excessive.
In a thick manner; deeply or heavily: Seashells lay thick on the beach.
In a close, compact state or arrangement; densely: Dozens of braids hung thick from the back of her head.
So as to be thick; thickly: Slice the bread thick for the best French toast.
The thickest part.
The most active or intense part: in the thick of the fighting.
thick and thin Good and bad times: They remained friends through thick and thin.