PRECURSOR Synonyms: 54 Similar and Opposite Words

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

Some common synonyms of precursor are forerunner , harbinger , and herald . While all these words mean "one that goes before or announces the coming of another," precursor applies to a person or thing paving the way for the success or accomplishment of another. // 18th century poets like Burns were precursors of the Romantics

Q: In what contexts can 'forerunner' take the place of 'precursor'?

The words forerunner and precursor are synonyms, but do differ in nuance. Specifically, forerunner is applicable to anything that serves as a sign or presage. // the blockade was the forerunner of war

Q: How are the words 'harbinger' and 'herald' related as synonyms of 'precursor'?

Harbinger and herald both apply, chiefly figuratively, to one that proclaims or announces the coming or arrival of a notable event. // their early victory was the harbinger of a winning season // the herald of a new age in medicine

precursor

noun

pri-ˈkər-sər

Definition of precursor

as in forerunner

one that announces or indicates the later arrival of another 18th-century lyric poets like Robert Burns were precursors of the Romantics

Synonyms & Similar Words

Relevance

as in ancestor

something belonging to an earlier time from which something else was later developed a precursor of the modern eggplant

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word precursor distinct from other similar nouns?

Some common synonyms of precursor are forerunner, harbinger, and herald. While all these words mean "one that goes before or announces the coming of another," precursor applies to a person or thing paving the way for the success or accomplishment of another.

18th century poets like Burns were precursors of the Romantics

In what contexts can forerunner take the place of precursor?

The words forerunner and precursor are synonyms, but do differ in nuance. Specifically, forerunner is applicable to anything that serves as a sign or presage.

the blockade was the forerunner of war

How are the words harbinger and herald related as synonyms of precursor?

Harbinger and herald both apply, chiefly figuratively, to one that proclaims or announces the coming or arrival of a notable event.

their early victory was the harbinger of a winning season

the herald of a new age in medicine

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 precursor The forms are precursors to those Kairos Power and construction partner Barnard Construction plan to use for portions of the Hermes reactor facility. — Kaif Shaikh, Interesting Engineering, 15 Oct. 2026 By the 2000s, the show was enshrined as an important precursor to the Oscars. — Cynthia Littleton, Variety, 14 Oct. 2026 That storm was a surprise, and the United States Weather Bureau – the precursor to the modern National Weather Service – opened a Southern California office in 1940 in response. — Nicholas Grondin, The Conversation, 12 Oct. 2026 Then there’s the new electric Jaguar, a machine that inflamed the Internet and became the subject of global controversy when its conceptual precursor was revealed in late 2024. — Jason Barlow, Robb Report, 11 Oct. 2026 See All Example Sentences for precursor

Recent Examples of Synonyms for precursor

Noun

Rather than try to replicate his forerunners’ styles of success, Ternus has so far played to his own strengths—which are also those of Apple, a company that first and foremost builds beautiful products that spark productivity, creativity, and joy.

— Andrew R. Chow, Time, 15 Oct. 2026
Dubbed the ‘American Turtle’ for its appearance, the submarine made three attempts to blow up British ships without success, but is considered the forerunner of modern submarines.

— Staff Report, Hartford Courant, 16 Sep. 2026

Definition of forerunner

Noun

Breast Cancer Month events The Gulliver swimmers’ July fundraiser for the American Cancer Society was a harbinger of what remains a busy October in Miami-Dade and Broward for Breast Cancer Month awareness events.

— Howard Cohen, Miami Herald, 15 Oct. 2026
Related What were once blips on the modern music timeline now feel like harbingers of things to come for 2027.

— Leila Cobo, Billboard, 2 Oct. 2026

Definition of harbinger

Noun

The victim began experiencing extreme tiredness, inability to sleep and other unexplained symptoms soon after attending a prestigious conference in August, Gomelsky said.

— Arkansas Online, Arkansas Online, 15 Oct. 2026
The alleged victim continues to experience symptoms from the poisoning, including not being able to focus, tiring easily and a loss of sensation in his left hand, Gomelsky said.

— CBS News, CBS News, 14 Oct. 2026

Definition of symptom

Noun

This increasingly seamless connection between runway collections and store stock heralds a new meaning for commercial, repositioning the role of the runway.

— Joe Bobowicz, Vogue, 8 Oct. 2026
The project heralds from Israeli filmmakers Yuval Abraham and Rachel Szor, two of the four co-directors behind 2025 Oscar-winning documentary No Other Land.

— Andreas Wiseman, Deadline, 24 Aug. 2026

Definition of herald

Noun

The poor, sweet, innocent angel of a chef, who was so proud to be able to share his menu with his world leader guests, only for Grace to stalk away mid-recitation?

— Sophie Brookover, Vulture, 17 Oct. 2026
Those were the good cop and bad cop on his shoulder, or the devil and the angel on his shoulder, throughout his time.

— Hilary Lewis, HollywoodReporter, 17 Oct. 2026

Definition of angel

Browse Nearby Words

preconditions

precursor

precursors

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Style

“Precursor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/precursor. Accessed 21 Oct. 2026.

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Synonyms of precursor

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