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)

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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.
Therefore, seeing multiple green aircraft together strongly suggests serial (repeat) production, not one-off prototypes. Christopher McFadden, Interesting Engineering, 10 Jan. 2026 As Milligan points out in a prototype demo, the tracks feature drainage holes on the outside to keep the water moving outward instead of pooling and potentially leaking inside. New Atlas, 9 Jan. 2026 What exactly a production-ready prototype will be able to do at the Expo 2030 — a mere four years from now — remains unclear as well. Victor Tangermann, Futurism, 8 Jan. 2026 Once the team settled on a final prototype, Salomon, with support from Swiss Side, conducted running economy tests with elite athletes in a large-scale wind tunnel. Cory Smith, Outside, 8 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 12 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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