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planet Synonyms

Another word for planet

Looking for synonyms for planet? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for planet, organized by relevance and context.
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• noun (Context 1)

A large celestial body that orbits a star, is sufficiently massive to be rounded by its own gravity, and has cleared its orbital path of other significant debris.

Usage Example

"Astronomers recently discovered a rocky exoplanet orbiting a distant dwarf star in the habitable zone."

Strong
world
globe

• noun (Context 2)

The Earth, especially in the context of its global environment, natural ecosystems, and inhabitants (usually preceded by 'the').

Usage Example

"We must reduce our carbon emissions to ensure a habitable earth for future generations."

Strongest
earth
world

• noun (Context 3)

In historical astronomy and astrology, any of the celestial bodies considered to influence human affairs and terrestrial events, which originally included the sun and moon.

Usage Example

"Ancient astrologers believed that the positions of the planets at the exact moment of birth shaped a person's destiny."

Weak
luminary

Opposites of planet

Looking for antonyms? The opposite of planet varies depending on the context. Here are a few common opposites:

star
moon
See all opposites of planet

Cite this Entry


Wordmom. (2026). Synonyms for Planet. In Wordmom Thesaurus. Retrieved Oct 18, 2026, from https://wordmom.com/synonyms/planet
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