prototype

noun

pro·​to·​type ˈprō-tə-ˌtīp How to pronounce prototype (audio)
Synonyms of prototypenext
1
: an original model on which something is patterned : archetype
2
: an individual that exhibits the essential features of a later type
3
: a standard or typical example
4
: a first full-scale and usually functional form of a new type or design of a construction (such as an airplane)

Did you know?

The prefix prot-, or proto-, comes from Greek and has the basic meaning "first in time" or "first formed." A prototype is someone or something that serves as a model or inspiration for those that come later. A successful fund-raising campaign can serve as a prototype for future campaigns. The legendary Robin Hood, the "prototypical" kindhearted and honorable outlaw, has been the inspiration for countless other romantic heroes. And for over a century, Vincent van Gogh has been the prototype of the brilliant, tortured artist who is unappreciated in his own time.

Examples of prototype in a Sentence

They tested the prototype of the car. He is developing a prototype for his invention. He is the prototype of a conservative businessman. The Sherlock Holmes stories are the prototypes of modern detective stories.
Recent Examples on the Web
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.
The World Economic Forum’s MINDS (Meaningful, Intelligent, Novel, Deployable Solutions) program highlights companies that are successfully embedding AI into real systems – not just prototypes – to deliver sustainability, resilience, efficiency, and social impact. Gene Marks, Forbes.com, 25 Jan. 2026 The other was a prototype for a larger, more SUV-like future model. Jan Wagner, San Diego Union-Tribune, 24 Jan. 2026 Sadly, the Gophers’ prototype quarterback that season, Curt Wilson, died recently. Charley Walters, Twin Cities, 24 Jan. 2026 These findings suggest that, over the course of evolution, the zebrafish telencephalon may represent an early evolutionary precursor—or prototype—of the human hippocampus. Matt Emma, USA Today, 24 Jan. 2026 See All Example Sentences for prototype

Word History

Etymology

French, from Greek prōtotypon, from neuter of prōtotypos archetypal, from prōt- + typos type

First Known Use

1552, in the meaning defined at sense 1

Time Traveler
The first known use of prototype was in 1552

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Cite this Entry

“Prototype.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prototype. Accessed 27 Jan. 2026.

Kids Definition

prototype

noun
pro·​to·​type ˈprōt-ə-ˌtīp How to pronounce prototype (audio)
: an original model on which something is patterned

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