Sun
Sun noun - A ball-shaped gaseous celestial body that shines by its own light.
Usage example: the incomprehensible vastness of a universe filled with billions of suns
Variable star and sun are semantically related. In some cases you can use "Variable star" instead a noun "Sun".
Variable star
Variable star noun - A star that varies noticeably in brightness.
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Synonyms for Variable star
Sun and variable star are semantically related. You can use "Sun" instead a noun phrase "Variable star".
Both terms in one sentence
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Heinlein collaboration Variable Star when something makes the Sun go nova halfway through the book.
Source: But What About the Astronauts? - Spider Robinson's Variable Star, inspired heavily by Heinlein, had the protagonist's relativistic ship rescued by the first FTL vessel, allowing them to outrun the radiation wave from earth's sun exploding.
Source: Lightspeed Leapfrog
Cite this Source
Variable star and Sun. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sun/variable_star
Sun & Variable star. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sun/variable_star>.
Variable star or Sun. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sun/variable_star.
Google Ngram Viewer shows how "sun" and "variable star" have occurred on timeline