Definitions

source

[sawrs, sohrs] / sɔrs, soʊrs /

NOUN

beginning; point of supply

Synonyms

STRONGEST

authority cause expert origin

STRONG

antecedent author authorship begetter birthplace commencement connection dawn dawning derivation determinant father fount fountain fountainhead inception informant maternity mother onset opening origination originator parent paternity provenance provenience rise rising root specialist spring start wellspring

WEAK

horse's mouth starting point

Antonyms

STRONGEST

consequence effect end outcome outgrowth result

STRONG

completion conclusion ending finish stop

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.

Damage to QatarEnergy LNG, a key helium byproduct source, could take five years to repair, impacting critical tech and medical sectors.

From Barron's • Apr. 13, 2026

Midterm elections are a greater source of uncertainty than presidential elections.

From MarketWatch • Apr. 13, 2026

For Meyers, driving Uber or Lyft is his primary source of income—and material for a one-man play he wrote and performs, and hopes to turn into a television pilot.

From The Wall Street Journal • Apr. 12, 2026

The wreck's identity is a source of mystery because another dredger, the Witham, sank nearby in 1912 under similar circumstances.

From BBC • Apr. 11, 2026

I can almost hear my heart beating as I strain to detect the source of the noise.

From "Kwame Crashes the Underworld" by Craig Kofi Farmer

Vocabulary lists containing source

PARCC: Language of the Test (Grade7)

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Jim Burke's Academic Vocabulary List

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The SAT: Multiple-Meaning Words, List 3

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!