Dictionary.com
Thesaurus.com
Synonyms

Gaia

American  
[gey-uh] / ˈgeɪ ə /
Also Gaea

noun

  1. Classical Mythology the ancient Greek goddess who personified the earth and whose numerous offspring include Uranus, by whom she bore the Titans and the Cyclopes.

  2. the earth, when regarded as the self-regulating organism described by the Gaia hypothesis.

    Our destiny is dependent on what we do for Gaia as a whole.


Gaia British  
/ ˈɡeɪə /

noun

  1. the goddess of the earth, who bore Uranus and by him Oceanus, Cronus, and the Titans

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Gaia

First recorded in 1970–75; from Greek gaîa “earth, the earth”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To better understand the star's history, the team combined their observations with data from the European Space Agency's Gaia mission.

From Science Daily • Apr. 4, 2026

The teenager represents Portuguese first division side Valadares Gaia and has been involved in England's youth teams, most recently the under-23s.

From BBC • Mar. 31, 2026

"We have two-year-old children scared and crying and going through this," local resident Gaia Khouiri told AFP.

From Barron's • Mar. 25, 2026

Both Gaia BH2 and Gaia BH3 belong to a class of dormant black hole systems.

From Science Daily • Dec. 26, 2025

‘One word. You want permission to close your eyes and forget your troubles. You - want - SLEEP’ Gaia solidified into human form.

From "Blood of Olympus" by Rick Riordan