Synonyms of precursor

precursor

noun

pri-ˈkər-sər 

1

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

• forerunner
• harbinger
• symptom
• herald
• sign
• angel
• outrider
• foretaste
• foregoer
• messenger
• forewarning
• foreshadowing
• advertiser
• announcer
• runner
• portent
• foreshadower
• presage
• omen
• crier
• proclaimer
• courier
• bellwether
• foreboder
• foreboding
• auspice
• prefiguring
• blazoner
• augury
• boding
• mark

2

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

• forerunner
• ancestor
• prototype
• predecessor
• antecedent
• archetype
• original
• granddaddy
• originator
• daddy
• model
• foregoer
• mother
• sire
• father

Antonyms & Near Antonyms

• descendant
• derivative
• by-product
• outgrowth
• offshoot
• son
• daughter
• spin-off

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

Recent Examples of precursor

This is a precursor to a manufacturing boom, writes Slok, because chips go in everything from cars to phones to kitchen appliances. —Eleanor Pringle, Fortune, 27 May 2026

People across the country are seeking millions through federal tort claims, precursors to possible lawsuits. —Andrea Castillo, Los Angeles Times, 26 May 2026

Instead of using extreme heat to produce clinker, electrical energy drives ion transport and chemical reactions within the reactor, assembling the precursor material, eCSH, under significantly milder conditions, before a subsequent heating stage converts it into belite-rich clinker. —New Atlas, 26 May 2026

During the final days of the revolution, Russia occupied and seized Crimea from Ukraine, a precursor to the war that is ongoing today. —Rebecca Johnson, Chicago Tribune, 24 May 2026