1
: specification
usually used in plural
also : a single quantity (such as a dimension or a measure of performance) describing a product especially as part of a specification
2
: speculation
built the house on spec

spec

2 of 3

verb

specced or spec'd ˈspekt How to pronounce spec (audio) ; speccing

spec

3 of 3

abbreviation

Examples of spec in a Sentence

Noun parts built according to spec
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.
Noun
Laura Bevan, head of brand for running at On, said in a statement that the running category, particularly at the elite end, is typically marketed through the lens of data, specs and split times, and this campaign was created to show another angle. Stephen Garner, Footwear News, 30 July 2026 Jimmy Warden penned the script, which originated from his original spec that Universal landed in 2023 with Wilde on board to direct. Justin Kroll, Deadline, 28 July 2026
Verb
The Laptop 13 Pro’s new display is the first one Framework has been able to spec out from scratch rather than using panels originally designed for some other company’s laptop. ArsTechnica, 21 Apr. 2026 Each 250 is prepared as a versatile multipurpose vessel that can spec up into the ultimate land/water adventure camper for exploring coastlines and islands that can't be accessed via conventional land routes. New Atlas, 20 Mar. 2026 See All Example Sentences for spec

Word History

Etymology

Noun

by alteration

First Known Use

Noun

1926, in the meaning defined at sense 1

Verb

1965, in the meaning defined above

Time Traveler
The first known use of spec was in 1926

Browse Nearby Words

Cite this Entry

“Spec.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spec. Accessed 2 Aug. 2026.

Kids Definition

spec

noun
ˈspek
: specification sense 2a
usually used in plural

Legal Definition

spec

transitive verb
ˈspek
specced or spec'd ˈspekt How to pronounce spec (audio) ; speccing
ˈspe-kiŋ
: to write specifications for
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