having a great or considerable extent or reach upward or vertically; lofty; tall. a high wall. having a specified extent upward. The apple tree is now 20 feet high. situated above the ground or some base; elevated. a high ledge. exceeding the common degree or measure; strong; intense. high color. expensive; costly; dear. What does high mean? Explore the origins and evolution of this complex word that conveys both risk and reward. This disambiguation page lists articles associated with the title High. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. The meaning of HIGH is rising or extending upward a great distance or a distance greater than others of its kind : taller than average, usual, or expected. How to use high in a sentence. Synonym Discussion of High. Synonyms for HIGH: tall, towering, lofty, dominant, altitudinous, prominent, eminent, elevated; Antonyms of HIGH: low, short, squat, flat, low-lying, stubby, stumpy, down You only say you love me when you're high It's like we go through the same shit every night Oh, why? Oh, why? You always swear that it's gonna change, but it never does Why? You'll only say you. high level of The job demands a high level of concentration. He suffers from high blood pressure. Antique furniture fetches very high prices these days. She got very high marks in her geography exam. It's very dangerous to drive at high speed when the roads are wet. He's in a high-security prison. high /haɪ/ adj. andadv., -er, -est, n. lofty: a high wall. (of things) having a specified height: The tree is 20 feet high. elevated: a high ledge. greater than or going beyond the usual degree, measure, or amount: high speed; high prices. good: high moral principles. Having a relatively great elevation; extending far upward: a high mountain; a high tower. b. Extending a specified distance upward: a cabinet ten feet high. 2. Far or farther from a reference point: was too high in the offensive zone to take a shot. 3. a. Being at or near the peak or culminating stage: the high tourist season; high summer. b.