thick

adjective

• 1with opposite sides or surfaces that are a great or relatively great distance apart:thick slices of bread the walls are 5 feet thick thick metal cables
• (of a garment or other knitted or woven item) made of heavy material for warmth or comfort:a thick sweater
• (of script or type) consisting of broad lines:a headline in thick black type

• 2made up of a large number of things or people close together:his hair was long and thick the road winds through thick forest
• [predic.] (thick with) densely filled or covered with:the room was thick with smoke figurativethe air was thick with tension
• (of the air or atmosphere, or a substance in the air) opaque, dense, or heavy:the shore was obscured by thick fog a thick cloud of smoke

• 3(of a liquid or a semiliquid substance) relatively firm in consistency; not flowing freely:thick mud

• 4 informal of low intelligence; stupid:he’s a bit thick I’ve got to shout to get it into your thick head

• 5(of a voice) not clear or distinct; hoarse or husky.
• (of an accent) very marked and difficult to understand.

• 6 [predic.] informal having a very close, friendly relationship:he’s very thick with the new boss

noun

• the busiest or most crowded part of something; the middle of something:the thick of battle

adverb

• in or with deep, dense, or heavy mass:bread spread thick with butter