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Definition of sun

sun

/sʌn/
sun

Adverb:sunnily
•
Plural:suns
•
Adjective:sunny
•
Past Simple:sunned
•
Past Participle:sunned
•
Present Participle:sunning
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sun Lexical Profile

sun Game Scores & Validity

• noun

1

The star around which the Earth orbits, providing light and heat to the planet.

Example

"The sun rises in the east, signaling the start of a new day."


2

The light or warmth received from the Earth's central star.

Example

"We sat in the sun all afternoon, enjoying the warm spring weather."


3

Any star in the universe that is the center of a planetary system.

Example

"Astronomers have discovered several exoplanets orbiting distant suns in our galaxy."

Synonyms
View all synonyms for sun
Antonyms
View all antonyms for sun

• verb

1

To expose oneself or an object to the light and warmth of the sun.

Example

"The lizards were sunning themselves on the hot desert rocks to raise their body temperature."

Word Nuance & Usage

Often confused with its homophone 'son', which refers to a male offspring. In astronomical contexts, it is capitalized as 'the Sun' when referring to the specific star of our solar system.

• Rhymes for sun

Word Origin & Etymology

From Old English 'sunne', of Germanic origin; related to Dutch 'zon' and German 'Sonne', from a Proto-Indo-European root shared by Latin 'sol' and Greek 'hēlios'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Sun. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sun
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