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
Sean Evans, Robb Report, 14 Oct. 2025
Other specs include four USB-C ports, Wi-Fi 7, and an HDMI connector.
—PC Magazine, 13 Oct. 2025
PC Magazine, 11 Sep. 2025
WebAuthn, the predecessor spec to FIDO, hints at the same common-sense limitation.
—Dan Goodin, ArsTechnica, 28 Aug. 2025
See All Example Sentences for spec
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Noun
While Mansory work can involve powertrain increases—usually to eye-watering specs—this article will strictly focus on the company’s design aesthetic—or lack thereof.
—Sean Evans, Robb Report, 14 Oct. 2025
Other specs include four USB-C ports, Wi-Fi 7, and an HDMI connector.
—PC Magazine, 13 Oct. 2025
Verb
In the meantime, head over to our feature and spec comparison of all three new models.
—PC Magazine, 11 Sep. 2025
WebAuthn, the predecessor spec to FIDO, hints at the same common-sense limitation.
—Dan Goodin, ArsTechnica, 28 Aug. 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 20 Oct. 2025.
Copy CitationLegal Definition
spec
transitive verbˈspek
specced or spec'd
ˈspekt 
; speccing
; speccing
ˈspe-kiŋ
: to write specifications for
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