Thesaurus results for SOURCE

Q: How is the word 'source' distinct from other similar nouns?

Some common synonyms of source are inception , origin , and root . While all these words mean "the point at which something begins its course or existence," source applies more often to the point where something springs into being. // the source of the Nile // the source of recurrent trouble

Q: When is 'inception' a more appropriate choice than 'source'?

While in some cases nearly identical to source , inception stresses the beginning of something without implying causes. // the business has been a success since its inception

Q: When is it sensible to use 'origin' instead of 'source'?

The words origin and source are synonyms, but do differ in nuance. Specifically, origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being. // an investigation into the origin of baseball

Q: When can 'root' be used instead of 'source'?

While the synonyms root and source are close in meaning, root suggests a first, ultimate, or fundamental source often not easily discerned. // the real root of the violence

source 1 of 2

noun

ˈsȯrs

Definition of source

as in origin

a point or place at which something is invented or provided we were uncertain as to the source of the rumors a source of inspiration

Synonyms & Similar Words

Relevance

as in headwater

the beginning part of a stream 19th-century explorers who sought the source of the Nile

Synonyms & Similar Words

as in reference

something mentioned in a text as providing related and especially supporting information the professor asked the students to have at least five different sources for their papers

Synonyms & Similar Words

source

2 of 2

verb

as in to reference

Related Words

Synonym Chooser

How is the word source distinct from other similar nouns?

Some common synonyms of source are inception, origin, and root. While all these words mean "the point at which something begins its course or existence," source applies more often to the point where something springs into being.

the source of the Nile

the source of recurrent trouble

When is inception a more appropriate choice than source?

While in some cases nearly identical to source, inception stresses the beginning of something without implying causes.

the business has been a success since its inception

When is it sensible to use origin instead of source?

The words origin and source are synonyms, but do differ in nuance. Specifically, origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being.

an investigation into the origin of baseball

When can root be used instead of source?

While the synonyms root and source are close in meaning, root suggests a first, ultimate, or fundamental source often not easily discerned.

the real root of the violence

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of source

Noun

What makes this year’s numbers different from the slow, familiar erosion of the past several years is the source of the exemptions. — A.j. Russo, Baltimore Sun, 25 Aug. 2026 Alternative fuel sources saving some money for districts The Council Rock School District in lower Bucks County started migrating to propane back in the 2022-23 school year. — Chilekasi Adele, CBS News, 25 Aug. 2026

Verb

Russian scientists collected spent artillery shells from World War II to source the huge amounts of brass needed for one of the particle detectors. — Lisa Song, CNN Money, 28 July 2026 Zendaya and Roach were also able to source the ornate gold face mask designed by Philip Treacy that was originally worn with the dress on the runway. — Morgan Evans, USA Today, 28 July 2026 See All Example Sentences for source

Recent Examples of Synonyms for source

Noun

Mosquito traps have now been installed at the airport, Fraport said, adding that the mosquitos captured will be genetically analyzed by the Institute of Tropical Medicine in Antwerp, Belgium, to determine their species and origin.

— Sophie Tanno, CNN Money, 27 Aug. 2026
Fans of Waterbird Coffee were without their downtown Kansas City spot for just a few months before new owners strode in — single origin beans in hand — to save it.

— Kansas City Star, Kansas City Star, 27 Aug. 2026

Definition of origin

Noun

Clear Creek County Commissioner George Marlin makes a compelling case that alone, his small county of about 9,000 residents could never fund the mitigation needed to protect the headwaters of Clear Creek.

— Megan Schrader, Denver Post, 27 Aug. 2026
The agreement was made at a time when the region had a smaller population and benefited from wetter years, with much more snow to feed the river’s headwaters in the Rocky Mountains.

— Laura Paddison, CNN Money, 21 Aug. 2026

Definition of headwater

Noun

Hsu’s office aimed to avoid both early on by refusing to name a particular style, reference familiar restaurant archetypes, or let the project become thematic.

— Alexis Benveniste, Architectural Digest, 27 Aug. 2026
All federal government references to the lake on agency maps, contracts and other documents must also reflect the renaming.

— Joey Garrison, USA Today, 27 Aug. 2026

Definition of reference

Noun

Civilizationists see Europe as both the historic cradle of Western civilization and the key source of its greatest threat, liberalism.

— Leonard A. Schuette, Foreign Affairs, 25 Aug. 2026
Additionally, objects of cultural patrimony such as five pairs of moccasins, one coupstick, one Cheyenne cradle board and one lance were returned in the ceremony.

— News Desk, Artforum, 20 Aug. 2026

Definition of cradle

Browse Nearby Words

sour

source

sourcebook

See all Nearby Words

Cite this Entry

Style

“Source.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/source. Accessed 1 Sep. 2026.

Copy Citation

Synonyms of source

noun

verb

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes