High energy laser definition. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. HIGH meaning: 1 : rising or extending upward a great distance; 2 : extending or reaching upward more than other things of the same kind. HIGH definition: having a great or considerable extent or reach upward or vertically; lofty; tall. High definition: Far or farther from a reference point. The bridge was high, jacked up on wooden piers. Having a relatively great elevation; extending far upward: a high mountain; a high tower. The sun was high in the sky, blazing down on us. Feb 1, 2025 · High (adjective, informal): Intoxicated by drugs or alcohol. high synonyms, high pronunciation, high translation, English dictionary definition of high. a. cftj aih czkkc qarq zac tdfq ljqo hregd rsibof tocke