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
Examples of spec in a Sentence
Noun
parts built according to spec
Recent Examples on the Web
Victoria Gomelsky, Robb Report, 2 Sep. 2025
The questions just involve your birth year, gender, iPhone type (12-16 seem to be supported for this test) and/or PC specs, and your gaming habits across platforms, genres, and specific comparable games.
—David Jagneaux, Forbes.com, 1 Sep. 2025
Dan Goodin, ArsTechnica, 28 Aug. 2025
Note also that Anker specs the latency at less than 25ms.
—PC Magazine, 29 July 2025
See All Example Sentences for spec
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Noun
There are very few that remain in their full spec configuration and because of their association with the British military have become very collectible in the world of vintage Rolex.
—Victoria Gomelsky, Robb Report, 2 Sep. 2025
The questions just involve your birth year, gender, iPhone type (12-16 seem to be supported for this test) and/or PC specs, and your gaming habits across platforms, genres, and specific comparable games.
—David Jagneaux, Forbes.com, 1 Sep. 2025
Verb
WebAuthn, the predecessor spec to FIDO, hints at the same common-sense limitation.
—Dan Goodin, ArsTechnica, 28 Aug. 2025
Note also that Anker specs the latency at less than 25ms.
—PC Magazine, 29 July 2025
See All Example Sentences for spec
Cite this Entry
“Spec.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spec. Accessed 9 Sep. 2025.
Copy CitationLegal Definition
spec
transitive verbˈspek
specced or spec'd
ˈspekt 
; speccing
; speccing
ˈspe-kiŋ
: to write specifications for
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