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Synonyms

spec

1 American  
[spek] / spɛk /

noun

specs plural
  1. Usually specs specification.

  2. speculation.


adjective

  1. built, done, bought, etc., as a speculation.

    the construction of spec houses.

verb (used with object)

spec'd, specked, specced, spec'ing, specking, speccing
  1. to provide specifications for.

    The custom turbocharger was spec'd by our mechanic.

  2. (in a video game) to create or update (a character) by assigning attributes, skills, weapons, armor, and other items that affect the character’s powers, speed, strength, intelligence, etc..

    Do your research before you spec your character, because some builds are just not viable and this game does not allow you to re-spec.

idioms

  1. on spec, made, built, or done with hopes of but no assurance of payment or a sale; without commitment by a client or buyer.

    ad illustrations done on spec;

    luxury homes built on spec and sold before completion.

spec. 2 American  

abbreviation

  1. special.

  2. specially.

  3. specifically.

  4. specification.


spec. 1 British  

abbreviation

  1. specification

  2. speculation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

spec 2 British  
/ spɛk /

noun

  1. as a speculation or gamble

    all the tickets were sold so I went to the theatre on spec

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. (prenominal) speculative

    a spec developer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
spec More Idioms  
  1. see on spec.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of spec

An Americanism dating back to 1785–95; by shortening

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“I’ve been buying over the past two, three years anyway and making some investments and putting out some new spec homes, but I think we’re going to start getting a little bit more aggressive now.”

From MarketWatch May 22, 2026

In Bel-Air, a 105,000-square-foot spec house was marketed for $500 million, but by the time it was finished, it was already falling into disrepair and ended up being auctioned off for $141 million.

From Los Angeles Times May 1, 2026

One theory on the F1 paddock was that Mercedes had discovered a hack with regard to engine compression ratios, a technical spec that ultimately affects engine horsepower.

From The Wall Street Journal Mar. 8, 2026

A complication was that McLaren were not running the latest specification of Mercedes power-unit, so can expect an uplift when they switch in Australia to the latest spec.

From BBC Feb. 20, 2026

The spec four looked me up and down.

From "Fallen Angels" by Walter Dean Myers

“The idea is: Okay, we tested it, it’s perfectly good heavy water. It meets spec. We’ll buy a little of this,” U.S.

From The Wall Street Journal Apr. 22, 2016

He does, however, object to the second: "As a name of opprobrium or reprobation; spec. applied to a grasping or extortionate moneylender or usurer, or a trader who drives hard bargains or deals craftily."

From Time Magazine Archive

More mihte doð ure helende þenne þe holi word þe he þurh his muð spec. þanne he giueð mannes cuinde.

From Selections from early Middle English, 1130-1250 Part I: Texts by Hall, Joseph

No. 2, 40 deg.; percentage, 41; spec. grav.

From Photogravure by Blaney, Henry R.

A mixture containing 1.055 vols. of spec. gr.

From Scientific American Supplement, No. 286, June 25, 1881 by Various

"Chaplain Emma Roberts, 54, and the Labour chief, 56, share the same haircut, brows, thick-rimmed specs and smile," the paper reports, fashioning a game of "spot the difference".

From BBC Jul. 27, 2026

Her specs do have a new feature, though: an AI agent voiced by Kylie herself.

From Salon Jul. 2, 2026

Gibson might not know specs like RPMs or cylinders, but he said he appreciates the “Fast and Furious” characters’ gorgeous cars, including Dominic Toretto’s 1970 Dodge Charger and Brian O’Connor’s late ’90s Mitsubishi Eclipse.

From Los Angeles Times Jun. 8, 2026

The MacBook Neo costs less because its specs are less impressive than other Apple laptops.

From Barron's Mar. 4, 2026

According to the specs, the heating equipment soaks up 400 watts.

From "The Martian" by Andy Weir

It’d be nice if TCL would release identically specced Roku and Google TV sets at the same time and simply let consumers choose their preferred software experience.

From The Verge Sep. 1, 2022

It’s built a loyal fanbase around nice looking all-in-one portable projectors that are reasonably specced yet still inexpensive.

From The Verge Nov. 24, 2021

It can be specced up to a Core i7, 1TB of storage, and 32GB of RAM.

From The Verge Sep. 22, 2021

By contrast, a similarly specced Class 3 e-bike in the US usually requires... nothing, other than a helmet.

From The Verge Apr. 16, 2021

Yeah, but the DoD had an RFI for an RFQ that became a RFP, specced by NSA and based upon TD-80-81.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn

I’d option-delete those, if I were speccing a car for myself.

From The Wall Street Journal Jul. 25, 2026

Honor has done a good job at speccing out the hardware of the Magic4 Pro.

From The Verge May 12, 2022

These allusions to Ireland are ever-present in the band’s creations, with titles such as “Tir na nÓg” and “Connla’s Well” specked across their discography.

From Los Angeles Times Sep. 12, 2025

But the cream-filled doughnuts would be my choice, from the caffeine jolt I got after eating the coffee cream specked with ground beans to a milky, horchata-filled doughnut colored with fall spices.

From Seattle Times Oct. 4, 2023

Rereading Woolf newly attuned to color, I notice that precise tints and hues daub nearly every paragraph: birds' breasts are "specked canary and rose," morning air is "grey-blue," brooches "sea-green."

From Salon Feb. 16, 2020

Brick-red and specked with bits of blackened tomato skins and chile de arbol seeds, the salsa arrives still warm from the grill.

From Washington Post Aug. 9, 2017

Ten days later, Joe Rantz sat again on a train, looking out through the fly- specked window of the coach, watching a fresh new American calamity begin to unfold.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

Along the Grand Strand, the stretch of beach communities specking the South Carolina coast, people had to be plucked from flooded cars and buildings surrounded by water and piers had been swept into the ocean.

From New York Times Sep. 30, 2022

Last week Luftwaffe planes spotted a huge Allied convoy specking the slate-grey sea between Iceland and Norway's North Cape.

From Time Magazine Archive

Between Fanar, the last northern point of lookout over the Black Sea, and Galata, down on the Golden Horn, there are about thirty hamlets, villages and cities specking the European shore of the Bosphorus.

From The Prince of India — Volume 02 by Wallace, Lewis

Thou wouldst deem that all the ravens of Erin were above him, and that flakes of snow were specking the plain before him.”

From Beauties and Antiquities of Ireland by Russell, T. O.

Balaclava, with its Greek population, its girdle of rocks, and its mild climate, resembles those little towns of the Archipelago that are seen specking the horizon as one sails towards Constantinople.

From Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c. by Hell, Xavier Hommaire de

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