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
Kathleen Walch, Forbes.com, 4 June 2025
Product specs Stamina InMotion E1000 Compact Strider Stamina InMotion E1000 Compact Strider
Heads-up: This is technically a compact strider, not a mini stepper.
—Jessica Kasparian, SELF, 3 June 2025
Will Sabel Courtney, Robb Report, 22 May 2025
Those looking to get up off the ground can further spec up the Highcountry trailer into a more complete camper by selecting from various options.
—New Atlas, 9 May 2025
See All Example Sentences for spec
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
From rough sketch to final output Generative design tools allow architects to input overall goals, various constraints, and material specs.
—Kathleen Walch, Forbes.com, 4 June 2025
Product specs Stamina InMotion E1000 Compact Strider Stamina InMotion E1000 Compact Strider
Heads-up: This is technically a compact strider, not a mini stepper.
—Jessica Kasparian, SELF, 3 June 2025
Verb
And if that weren’t enough, buyers could even spec a 7.2-liter version of the Lambo V-12 that was usually reserved for powerboats and made 730 hp.
—Will Sabel Courtney, Robb Report, 22 May 2025
Those looking to get up off the ground can further spec up the Highcountry trailer into a more complete camper by selecting from various options.
—New Atlas, 9 May 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 7 Jun. 2025.
Copy CitationLegal Definition
spec
transitive verbˈspek
specced or spec'd
ˈspekt 
; speccing
; speccing
ˈspe-kiŋ
: to write specifications for
Love words? Need even more definitions?
Merriam-Webster unabridged
Share