any thing or place from which something comes, arises, or is obtained; origin: Which foods are sources of calcium?
the beginning or place of origin of a stream or river.
a book, statement, person, etc., supplying information.
the person or business making interest or dividend payments.
a manufacturer or supplier.
Archaic. a natural spring or fountain.
to give or trace the source for: The research paper was not accurately sourced.The statement was sourced to the secretary of state.
to find or acquire a source, especially a supplier, for: Some of the components are now sourced in Hong Kong.
to contract a manufacturer or supplier: Many large companies are now sourcing overseas.
to seek information about or consider possible options, available personnel, or the like: a job recruiter who was merely sourcing.
- sourceful, adjective
- source·ful·ness, noun
- sourceless, adjective
- sauce, source
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use source in a sentence
In fact, according to F-35 program sources, the next software upgrades are not yet fully defined nor are they fully funded.
But sources said that the evidence so far is pointing away from an ISIS connection.U.S. Spies See Al Qaeda Fingerprints on Paris Massacre | Shane Harris, Nancy A. Youssef | January 8, 2015 | THE DAILY BEAST
As part of that effort, Said received weapons training for months, sources told The Daily Beast.U.S. Spies See Al Qaeda Fingerprints on Paris Massacre | Shane Harris, Nancy A. Youssef | January 8, 2015 | THE DAILY BEAST
But my sources, my young women and their mother, heroically held firm.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003 | Vicky Ward | January 7, 2015 | THE DAILY BEAST
The advisor would cite reasonable-sounding sources like haltabuse.org and the FBI.Cover-Ups and Concern Trolls: Actually, It's About Ethics in Suicide Journalism | Arthur Chu | January 3, 2015 | THE DAILY BEAST
Here were the sources (in part) of the Po and of the Rhine, but I was rather in haste to bid the former good-bye.Glances at Europe | Horace Greeley
To fully understand what takes place when trying to study, let the pupil recall that there are three sources of knowledge.Assimilative Memory | Marcus Dwight Larrowe (AKA Prof. A. Loisette)
There were usually six joints or sources of friction, between the key and the pallet.The Recent Revolution in Organ Building | George Laing Miller
Rabecque swore angrily and bitterly, and his vexation had two entirely separate sources.St. Martin's Summer | Rafael Sabatini
A series of 12 Maps compiled from the best sources, on the scale of four miles to the inch.Elements of Agricultural Chemistry | Thomas Anderson
British Dictionary definitions for source
the point or place from which something originates
a spring that forms the starting point of a stream; headspring
the area where the headwaters of a river rise: the source of the Nile
a person, group, etc, that creates, issues, or originates something: the source of a complaint
any person, book, organization, etc, from which information, evidence, etc, is obtained
(as modifier): source material
anything, such as a story or work of art, that provides a model or inspiration for a later work
electronics the electrode region in a field-effect transistor from which majority carriers flow into the interelectrode conductivity channel
at source at the point of origin
to determine the source of a news report or story
(tr foll by from) to originate from
(tr) to establish an originator or source of (a product, piece of information, etc)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012