thick adj.
1 of solid things/growing things
VERBS be, feel, look, seem
ADV. extremely, really, very | fairly, quite, rather, relatively Use fairly thick wads of newspaper. | enough, sufficiently a screen of trees thick enough to conceal the building entirely
2 of liquid
VERBS be, look, seem | become, get The paint's got too thick. I'll have to thin it down.
ADV. very | fairly, quite, rather | enough, sufficiently
3 of fog/smoke/air
VERBS be, feel, look, seem | become, grow The air had grown thick and smoky.
ADV. very | fairly, quite, rather
PREP. with The air was thick with dust. (figurative) The atmosphere was thick with tension.
You can also check other dicts: thick (English, 中文解释 ), wordnet sense, Collins Definition