Whats the highest mountain in the us? High synonyms, high pronunciation, high translation, english dictionary definition of high. Measuring a long distance from the bottom to the top. High adjective (important) b2 having power, an important position, or great influence: If something is high , it is a long way above the ground, above sea level, or above a person or thing. Definition of high adjective from the oxford advanced learners dictionary. • god, i got so high last night. Having a relatively great elevation; • gable regards this as an insult to the audience handed out by critics who consider themselves on a higher level. The word high is a versatile term with multiple meanings and applications, spanning physical elevation, emotional states, and even altered mental conditions. Greater than or going beyond the usual degree, measure, or amount: High ·er , high ·est 1. • how high is the eiffel tower? Andadv. , -er, -est, n. Extending a specified distance. • analysts are concerned about the high level of consumer debt. High moral principles. See examples of high used in a sentence. The tree is 20 feet high. High (computability), a quality of a turing degree, in computability theory high (tectonics), in geology an area where relative tectonic uplift took or takes place substance intoxication, also known by the slang description being high sugar high , a misconception about the supposed psychological effects of sucrose The bridge was high , jacked up on wooden piers. I looked down from the high window. Used to talk about the distance that something measures from the bottom to the top. Having a great or considerable extent or reach upward or vertically; A high mountain; High implies marked extension upward and is applied chiefly to things which rise from a base or foundation or are placed at a conspicuous height above a lower level. The sun was high in the sky, blazing down on us. An officer of high rank · high (adjective, informal): Extending far upward: Intoxicated by drugs or alcohol. • its hard to know which products have high lead levels. He has a round face with a high forehead. The house has a high wall all the way round it. (of things) having a specified height: