English Reference
verb

specify

v.
US /ˈspɛsəˌfaɪ/ UK /spˈɛsɪfˌaɪ/ spec·i·fy UK spelling specifies

  1. 01 B2 Upper Intermediate Academic

    to give specific details or name exactly what you want or need.

    to state explicitly or in detail, often as a requirement or condition. Transitive — requires a direct object or a 'that' clause.

    Simple

    The contract does not specify how much the workers will be paid.

    In context

    The building regulations specify that all materials used in the foundation must be fire-resistant and sourced from approved suppliers.

  2. 02 C1 Advanced TechnicalFormal Technical

    to include something in a formal list of technical instructions.

    to include a particular item or material in a technical specification or design plan.

    Simple

    The architect specified expensive marble for the lobby floor.

    In context

    The lead engineer specified a high-grade titanium alloy for the turbine blades to ensure maximum durability under extreme thermal stress.

Usage specify information

He did not specify what punishment countries might face.

BBC News· 20 Aug 2026

Davis did not specify who reached for the weapon.

The Guardian· 15 Aug 2026

From Middle English specifien, from Old French specifier, especefier, or directly from Medieval Latin specificō, from specificus (“specific”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin la-med specificō
Level B2 · Upper Intermediate
Frequency Frequent
Updated