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terrestrial Antonyms

Opposite of terrestrial

Because the opposite of terrestrial shifts with each meaning, the 14 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Of, on, or relating to the planet Earth or its inhabitants, as opposed to outer space or other celestial bodies.

Usage Example

"Scientists studied how the prolonged absence of extraterrestrial gravity affects human bone density."

Strongest
extraterrestrial
celestial
Strong
cosmic
alien
unearthly

• adjective (Context 2)

Relating to or living on dry land rather than in the water, in the air, or in trees.

Usage Example

"Tortoises are strictly aquatic reptiles, whereas most turtles spend much of their lives in water."

Strongest
aquatic
marine
Strong
aerial
arboreal
amphibious

• noun (Context 3)

An inhabitant of the planet Earth.

Usage Example

"In the science fiction novel, the visiting diplomats are baffled by the customs of ordinary terrestrials."

Strongest
extraterrestrial
alien

• adjective (Context 4)

Relating to worldly or secular human affairs rather than spiritual or heavenly matters.

Usage Example

"The monastery offered a quiet refuge for scholars seeking to escape heavenly ambitions."

Strongest
heavenly
spiritual
Strong
divine
ethereal

Similar words to terrestrial

Words similar to terrestrial shift depending on context. Common synonyms include:

earthly
earthling
worldly
terran
mundane
land-dwelling
temporal
tellurian
See all synonyms of terrestrial

Cite this Entry


Wordmom. (2026). Antonyms for Terrestrial. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/terrestrial
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