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
Peter Lyon, Forbes.com, 29 Apr. 2025
Known for playing with his style, not a bolo tie, a block loafer, a funky spec, or even a Nehru was a stranger to him.
—Julian Randall, Essence, 29 Apr. 2025
Rob Reed, Forbes, 11 Mar. 2025
There are too many freelancers who just look at whether their output is to spec.
—Expert Panel®, Forbes, 18 Feb. 2025
See All Example Sentences for spec
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Noun
The entry-level spec of Slate’s truck will offer 150 miles out of a 52.7kWh battery pack, which employs a single 201-hp motor powering the rear wheels.
—Peter Lyon, Forbes.com, 29 Apr. 2025
Known for playing with his style, not a bolo tie, a block loafer, a funky spec, or even a Nehru was a stranger to him.
—Julian Randall, Essence, 29 Apr. 2025
Verb
The former offers a more supple ride from the butting along with being built to spec.
—Rob Reed, Forbes, 11 Mar. 2025
There are too many freelancers who just look at whether their output is to spec.
—Expert Panel®, Forbes, 18 Feb. 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 2 May. 2025.
Copy CitationLegal Definition
spec
transitive verbˈspek
specced or spec'd
ˈspekt 
; speccing
; speccing
ˈspe-kiŋ
: to write specifications for
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