(idiomatic) A course of action which is dignified, honourable, or respectable. / (chiefly Britain) A main road or highway. / Used other than figuratively or idiomatically: see high, road.

A supreme court; a court to which final appeals may be taken. / A superior court; a court of general competence which typically has unlimited jurisdiction with regard to civil and criminal legal cases.

Having an elevated or moralistic tone; pompous. / Oratorial, sometimes to the point of sounding contrived.

Of high quality, particularly good.

expensive

Operating at relatively high pressure, such as several times atmospheric pressure. / Tense; stressful. / Involving much persuasion.

(idiomatic) Overbearingly arrogant; ostentatiously self-important or self-aggrandizing.

(idiomatic) A social or economic group wielding undue power, influence or economic clout.

simple past tense and past participle of high-heel

Upper-class. / Recognized for its quality.