Of a sound, having a high pitch. / (dated) Haughty. / (of a steam locomotive boiler) Placed higher than was usual.

(idiomatic, US) Well off; living comfortably or extravagantly due to great wealth or financial security.

(UK, Australia, New Zealand) A late afternoon or early evening meal, typically consisting of a cooked dish with bread and butter and tea. / (US) Formal afternoon tea.

(of fuel) Having a high octane number, good anti-knock characteristics; used in high performance vehicles. / (by extension) High powered, energetic, forceful or dynamic.

(idiomatic) Exactly noon; midday (when the sun is at its highest). / (idiomatic, figuratively) The zenith or apex of one's life or of a certain activity or era.

A tall building, one consisting of many storeys.

(of clothing) Designed to sit high on, or above, the wearer's hips.

A pair of high-heeled shoes.

(sports) An activity specific to snowmobiling, where a snowmobile attempts to ride as far as possible up a steep slope, then turn and come down without rolling or stalling on the hill.

(education) An institution which provides all or part of secondary education. / (Canada, US, Australia) Secondary school.