-adjective, -er, -est, adverb, -er, -est, noun
- having relatively great extent from one surface or side to the opposite; not thin: a thick slice.
- measured, as specified, between opposite surfaces, from top to bottom, or in a direction perpendicular to that of the length and breadth; (of a solid having three general dimensions) measured across its smallest dimension: aboard one inch thick.
- composed of or containing objects, particles, etc., close together; dense: a thick fog; a thick forest.
- filled, covered, or abounding (usually followed by with ):tables thick with dust.
- husky or hoarse; not distinctly articulated: The patient’s speech is still quite thick.
- markedly so (as specified): a thick German accent.
- deep or profound: thick darkness.
- (of a liquid) heavy or viscous: a thick syrup.
- Informal . close in friendship; intimate.
- mentally slow; stupid; dull.
- disagreeably excessive or exaggerated: They thought it a bit thick when he called himself a genius.
- the hair growing on the upper lip
- such hair on men, allowed to grow without shaving, and often trimmed in any of various shapes.
- hairs or bristles growing near the mouth of an animal.
- a stripe of color, or elongated feathers, suggestive of a moustache on the side of the head of a bird.
- something resembling a moustache, as food or drink adhering to the upper lip: a moustache of milk.