fustian

Made out of fustian.

Of a person, or their speech or writing: using inflated, pompous, or pretentious language; bombastic; grandiloquent; also (obsolete) using incoherent or unintelligible language.

(no longer used) Imaginary; invented.

(no longer used) Useless; worthless.

Originally, a kind of coarse fabric made from cotton and flax; now, a kind of coarse twilled cotton, or cotton and linen, stuff with a short pile and often dyed a dull colour, which is chiefly prepared for menswear.

A class of fabric including corduroy and velveteen.

(figurative) Inflated, pompous, or pretentious speech or writing; bombast; also (archaic), incoherent or unintelligible speech or writing; gibberish, nonsense.

(no longer used) Chiefly in rum fustian: a hot drink made of a mixture of alcoholic beverages (as beer, gin, and sherry or white wine) with egg yolk, lemon, and spices.