spec

1 of 3

noun

ˈspek 

1

: specification

—usually 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

spec

2 of 3

verb

specced or spec'd ˈspekt  ; speccing

transitive verb

: to write specifications for

spec

3 of 3

abbreviation

1

special; specialist

2

specifically

Examples of spec in a Sentence

Noun

parts built according to spec

Recent Examples on the Web

Noun

Full technical specifications, motor specs, top speeds, and battery parameters for all participating models can be found on the official Ausom Fall Sale Page. — New Atlas, 22 Sep. 2026

The second in a trilogy of ultra-luxe spec homes being created by designer and developer Ramtin Ray Nosrati along Donhill Drive in Beverly Hills is now available for $35 million. — Wendy Bowman, Robb Report, 21 Sep. 2026

Verb

Unlike the aforementioned 2014 release, the Air Jordan 6 Retro OG Sport Blue’s second-ever reissue will come with more true-to-spec Nike Air heel stitching. — Riley Jones, Footwear News, 5 Sep. 2026

Prices start at $25,950 for the base version, and options are all available individually so buyers can precisely custom-spec their builds. — New Atlas, 18 Aug. 2026

Word History

Etymology

Noun

by alteration

First Known Use

Noun

1926, in the meaning defined at sense 1

Verb

1965, in the meaning defined above

Phrases Containing spec

• on spec

Rhymes for spec

• beck
• breck
• check
• cheque
• czech
• deck
• fleck
• keck
• mech
• neck
• peck
• reck

Kids Definition

spec

noun

ˈspek

: specification sense 2a

—usually used in plural

Legal Definition

spec

transitive verb

ˈspek

specced or spec'd ˈspekt  ; speccing

ˈspe-kiŋ

: to write specifications for