frowst /fɹaʊst/noun 1verb 1forms 3 noun1 •Stuffiness; stifling warmth in a room.I was pretty bad myself, but managed to move about all the time, for the frowst in my cabin would have sickened a hippo. — 1916 verb1 •To enjoy being in a warm, close, stuffy place.The cure for this ill is not to sit still, / Or frowst with a book by the fire — 1902 formsfrowsted · frowsting · frowsts