Word.ws English Dictionary

gigayears

gigayears is the plural of gigayear.

Meaning of gigayear

Noun

gigayear (plural gigayears)

  1. A billion years: a thousand million years, that is, a thousand thousand thousand years.
    • Holonyms: exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
    Synonyms:
    giga-annum, gigaannum, Ga

Questions about gigayears

What is gigayears the plural of?
Gigayears is the plural of gigayear.

Words near gigayears in the dictionary

  1. gigawords
  2. gigaxonin
  3. gigayacht
  4. gigayachts
  5. gigayear
  6. gigayears
  7. gigbag
  8. gigbags
  9. gigelira
  10. gigeliras
  11. Giger

Source and license

Adapted from Wiktionary: gigayears (page history and authors); gigayear (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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