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
PC Magazine, 3 Oct. 2025
Only on particularly bumpy tarmac did the GTS-spec suspension become too jarring with the adaptive dampers stiffened up in sport mode, but switching them to normal offered the best of both worlds—excellent, composed body control and tuning that ironed out imperfections remarkably well.
—Peter Nelson, Robb Report, 1 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
Refurbished models offer a smart alternative, giving you premium specs without paying top dollar.
—PC Magazine, 3 Oct. 2025
Only on particularly bumpy tarmac did the GTS-spec suspension become too jarring with the adaptive dampers stiffened up in sport mode, but switching them to normal offered the best of both worlds—excellent, composed body control and tuning that ironed out imperfections remarkably well.
—Peter Nelson, Robb Report, 1 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 8 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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