HIGH definition: having a great or considerable extent or reach upward or vertically; lofty; tall. See examples of high used in a sentence. 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? 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. High (adjective, informal): Intoxicated by drugs or alcohol. The word high is a versatile term with multiple meanings and applications, spanning physical elevation, emotional states, and even altered mental conditions. The words lofty and tall are common synonyms of high. While all three words mean above the average in height, 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. Definition of high adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Discover everything about the word HIGH in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide. Define high. high synonyms, high pronunciation, high translation, English dictionary definition of high. adj. high·er , high·est 1. a. Having a relatively great elevation; extending far upward: a high mountain; a high tower. b. Extending a specified distance. high adjective (IMPORTANT) B2 having power, an important position, or great influence: an officer of high rank My bitch at the top of food chains (I'm a rocket man) They local, I don't even know the name (no) I been fresh since a kid, I ain't never plain I just picked up a bag and robbed a dame I'ma whip.