adj · noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:M EH1 G AH0 W AA2 T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Exceptionally powerful, intense, or enormous in impact.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
One million (1 000 000) watts, an amount of power large enough to power such things as an entire commercial building or a small passenger aircraft. (Consuming 1 megawatt during a duration of 1 hour consumes 1 megawatt-hour of energy.)
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: power unit
History
Etymology
Etymology tree Proto-Indo-European *méǵh2s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- English watt English megawatt From mega- + watt.
Across languages
Translations
23 source translations are retained for this English entry.