having relatively great depth or extent between opposite surfaces
having the specified thickness
twelve centimetres thick
containing closely-packed objects or material; dense
said of the air: dense or heavy with smoke, fog, etc
said of liquid: not flowing or pouring easily; viscous
imperfectly articulated
thick speech
plainly apparent; marked
a thick French accent
sluggish or dull
informal obtuse or stupid
informal on close terms; intimate
Brit, informal unreasonable or unfair
informal stupid or unintelligent
informal very friendly or intimate with each other
to be numerous or common
Brit, informal to give somebody/receive a blow on the ear as punishment
to be insensitive or not easy to provoke
to overstate or exaggerate something
to flatter somebody excessively
in large numbers and in quick succession