(simile, informal) Very stupid.

(idiomatic) A central or major role in a situation; a position in which one is surrounded by or very involved in complex, changing events.

(idiomatic) To exaggerate or overstate a feeling or emotion. / (idiomatic) To flatter. / (idiomatic) To guilt, guilt-trip.

(humorous) The plot thickens.

(dated, idiomatic) In quick succession, or in great numbers.

(uncountable) A materials science that studies applications of origami folding to thicker materials (other than the traditional thin sheets of paper)

(letterpress typography) A metal block used to separate words, one third of an em in width. / (typography) In digital text, a character representing a thick space.

plural of thick-knee

Any of several species of large terrestrial birds in the stone-curlew family Burhinidae.

(idiomatic) Ability to take criticism or harsh behavior without being easily offended. / Used other than figuratively or idiomatically: see thick, skin.