/θɪk ||; θɪk/adj1 (used about sth solid) having a large distance between its opposite sides; not thin （指固体）厚的，粗的: a thick black line 粗黑线a thick coat/book 厚外套╱书These walls are very thick. 这些墙很厚。
2 used for saying what the distance is between the two opposite sides of something （用于表示厚度）: The ice was six centimetres thick. 冰有六厘米厚。
3 having a lot of things close together 密集的；密布的: a thick forest 茂密的森林thick hair 浓密的头发
4 (used about a liquid) that does not flow easily （指液体）浓的，稠的: thick cream 浓浓的奶油This paint is too thick. 这油漆太稠。
5 (used about fog, smoke, etc) difficult to see through （指雾、烟等）浓的: There'll be a thick fog tonight. 今晚将有浓雾。thick clouds of smoke 一团团浓烟 [OPP] for senses 1 to 5 thin 第1至5义的反义词皆为thin
6 thick (with sth) containing a lot of sth/sb close together 充满；满是: The air was thick with dust. 空气里充满灰尘。The streets were thick with shoppers. 街上挤满购物的人。
7 (used about sb's accent) very strong （指口音）很重的
8 (
informal 非正式) slow to learn or understand; stupid 理解力差的；愚钝的；笨的
thick adv Snow lay thick on the ground. 地上的雪积得很厚。 ➔thickly adv Spread the butter thickly. 涂上厚厚的一层黄油。a thickly wooded area 茂密的林木区 have a thick skin to be not easily upset or worried by what people say about you 脸皮厚；（对别人对自己的评论）不敏感