thick
thick
adjective
(Of a liquid or mixture) dense and viscous; not flowing easily.
"The pea soup was wonderfully thick."
adjective
(Informal) Unintelligent or stupid; slow to understand things.
"He's a bit thick, isn't he?"
adjective
Having a large distance between opposite sides; not thin.
"The walls of the old castle were very thick."
Thesaurus
Synonyms: dense, impenetrable, abundant, fatheaded, thick-skulled, duncish, thickheaded, blockheaded, wooden-headed, stupid, duncical, loggerheaded