HIGH

noun

1. A high point or position, literally or figuratively; an elevated place; a superior region; a height; the sky; heaven.
2. A point of success or achievement; a time when things are at their best.
3. A period of euphoria, from excitement or from an intake of drugs.

verb

1. To rise.

adjective

1. Very elevated; extending or being far above a base; tall; lofty.
2. Relatively elevated; rising or raised above the average or normal level from which elevation is measured.
3. Having a specified elevation or height; tall.