adj Having a large distance between opposite surfaces; not thin.
- She spread a thick layer of jam on the toast.
- The walls of the castle were thick enough to stop a cannonball.
- Cut the bread into thick slices for the sandwiches.
adj Having a heavy, sturdy build.
- The rugby player had thick arms and a broad chest.
- The farmer had thick shoulders from years of hard lifting.
- The builder was a short man with a thick, powerful frame.
adj Densely packed or crowded together.
- Thick crowds filled the narrow streets during the festival.
- The fish swam in thick shoals near the rocky shore.
- The trees grew thick along the riverbank.
adj Having a heavy, syrupy consistency rather than being runny.
- Let the sauce simmer until it turns thick.
- The soup was thick and creamy, with plenty of potato.
- Stir the custard until it goes thick enough to coat a spoon.
adj Difficult to see through, as with fog, smoke, or an accent.
- A thick mist rolled in off the sea.
- He still spoke with a thick Irish accent.
- The thick smoke made it hard to see the road ahead.
adj Slow to understand; not very intelligent (informal).
- Don't be thick — of course that's a trick question.
- I felt thick when I couldn't understand the simple instructions.
- He's not thick, he just needs things explained slowly.
adj Closely bonded or on very friendly terms with someone (usually "thick as thieves").
- The two of them have been thick as thieves since school.
- My brother and his best friend are thick as thieves.
- The two neighbors became thick as thieves after the street party.