Standard Lemma guide

megawatt

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.
  • 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

Examples

  • Holonyms: GW, gigawatt < TW, terawatt < PW, petawatt
  • Meronyms: mW, milliwatt < W, watt < kW, kilowatt

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a unit of power equal to one million watts

Definition source: Princeton WordNet 3.0

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.

  • Chinese Mandarin: 兆瓦 (zhàowǎ) — one million watts
  • Czech: megawatt — one million watts
  • Danish: megawatt — one million watts
  • Dutch: megawatt — one million watts
  • Finnish: megawatti — one million watts
  • French: mégawatt — one million watts
  • German: Megawatt — one million watts
  • Icelandic: megavatt — one million watts
  • Italian: megawatt — one million watts
  • Latvian: megavats — one million watts
  • Lithuanian: megavãtas — one million watts
  • Norwegian Bokmål: megawatt — one million watts
  • Norwegian Nynorsk: megawatt — one million watts
  • Polish: megawat — one million watts
  • Romanian: megawatt — one million watts
  • Russian: мегаватт (megavatt) — one million watts
  • Slovak: megawatt — one million watts
  • Slovene: megavat — one million watts
  • Swahili: megawati — one million watts
  • Swedish: megawatt — one million watts
  • Thai: เมกะวัตต์ — one million watts
  • Turkish: megavat — one million watts
  • Ukrainian: мегава́т (mehavát) — one million watts