source is on the Academic Word List.

Pronunciation

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Plain form
source

Third-person singular
sources

Past tense
sourced

Past participle
sourced

Present participle
sourcing

  1. If you source something, then you obtain or receive it.

Singular
source

Plural
sources

Source is on the Academic Vocabulary List.
  1. The source of some material, an idea, a product, etc. is the place it came from originally.
    XYZ company can't supply these parts anymore, so we need to find a new source.
    Church sources said four people were injured and 100 to 200 were taken away by the police.
    The paper comes primarily from British sources.
    CO2 is the main source of global warming.
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