high-energy
🇬🇧 /'haɪ'enədʒɪ/
🇺🇸 /'haɪ'enədʒɪ/
📖 Definitions
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adjective
Having or involving a great amount of energy, vigor, or intensity; characterized by dynamic activity or enthusiasm.; Relating to or involving particles, radiation, or reactions with very high kinetic energy, especially in physics and chemistry.; Containing or providing a large number of calories per unit of weight or volume; calorie-dense.; Describing a person who is very active, lively, and enthusiastic; full of vitality.; Describing music, performance, or entertainment that is fast-paced, intense, and exciting.; Involving or requiring a large expenditure of energy or resources; demanding and intense.; In chemistry, referring to compounds or bonds that release a large amount of energy when broken or reacted, such as high-energy phosphate bonds in ATP.; In astronomy and astrophysics, referring to phenomena involving extremely energetic processes, such as gamma-ray bursts or cosmic rays.
🔗 Details
Word forms
Collocations
high-energy physicshigh-energy particlehigh-energy diethigh-energy lifestylehigh-energy foodhigh-energy environment
Synonyms
energeticdynamicvigorousintensehigh-powered
Antonyms
low-energylethargicsluggish
Commonly confused
high energy
EN: 'high-energy' (hyphenated) is used as a compound adjective before a noun (e.g., 'high-energy physics'); 'high energy' (no hyphen) is used as a noun phrase (e.g., 'the particle has high energy').
Spelling tips
EN: Always hyphenate 'high-energy' when it functions as a compound adjective before a noun. Do not hyphenate when 'energy' is the noun being modified (e.g., 'a diet high in energy').
💬 Examples
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The high-energy workout left everyone exhausted but exhilarated.
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The particle accelerator was used to study high-energy collisions between protons.
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Athletes often consume high-energy foods such as nuts and dried fruit before a competition.
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She is a high-energy person who never seems to need a break.
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The band delivered a high-energy performance that had the crowd dancing all night.
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Running a startup is a high-energy endeavor that requires constant attention and effort.
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ATP stores energy in its high-energy phosphate bonds, which are broken to fuel cellular processes.
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High-energy astrophysics studies the most violent events in the universe, such as supernovae and black hole mergers.