English Reference
verb

unify

v.
US /ˈjunəˌfaɪ/ UK /jˈuːnɪfˌaɪ/ uni·fy UK spelling unifies

  1. 01 B2 Upper Intermediate Academic

    to join different things or groups together so they become one single thing.

    to cause separate entities to become a single unit. Transitive — requires a direct object representing the parts being merged.

    Simple

    The new leader hoped to unify the country after years of fighting.

    In context

    The proposed legislation aims to unify the various regional transport authorities into a single national body to improve efficiency.

    Usage

    Often used in political or organizational contexts with a direct object.

  2. 02 C1 Advanced AcademicFormal

    to come together and start acting or existing as one group.

    to become a single unit or act in concert. Intransitive — the subject itself undergoes the change.

    Simple

    The two small political parties decided to unify before the next election.

    In context

    Despite their historical differences, the local tribes began to unify against the common threat of the invading army.

    Usage

    Used without a direct object when the subjects are joining together voluntarily.

Germanidis said the company plans to unify the three models into one generalized model later.

Ars Technica· 13 Jul 2026

From Middle French unifier, from Late Latin unificare.

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

This entry
Origin la-lat unificare
Level C1 · Advanced
Frequency Occasional
Updated