Precursor and Source

Precursor

Precursor noun - One that announces or indicates the later arrival of another.

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Source and precursor are semantically related. In some cases you can use "Source" instead a noun "Precursor".

Nearby Word: precursory

Source noun - A point or place at which something is invented or provided.

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Precursor and source are semantically related. Sometimes you can use "Precursor" instead a noun "Source".

good	good precursor	good source
natural	natural precursor	natural source
original	original precursor	original source
likely	likely precursor	likely source
Other adjectives: potential, important, possible, significant.

Sometimes this can also be explained by the source of the items being a Precursor race or Civilization, with the "modern" civilization having simply not caught up to them yet.

Source: Older Is Better
DEA does a lot of work on "source control" of precursor chemicals used to make or refine drugs, as well as a lot of undercover work.

Source: Useful Notes / American Law Enforcement aka: FBI
Knights of the Old Republic features Manaan, an ocean planet that is the Galaxy's sole source of the medical substance called "kolto" (the naturally produced precursor to the synthetic bacta from the movies).

Source: One-Product Planet

Cite this Source

Source and Precursor. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/precursor/source

Precursor & Source. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/precursor/source>.

Source or Precursor. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/precursor/source.

Google Ngram Viewer shows how "precursor" and "source" have occurred on timeline