English Reference
verb · noun

assign

v. · n.
US /əˈsaɪn/ UK /ɐsˈaɪn/ as·sign UK spelling assigning, assigns

  1. 01 B1 Intermediate General-service

    v.to give someone a specific job, duty, or piece of work to complete.

    v.to allot or distribute a task or responsibility to a specific person or group.

    Simple

    The teacher will assign a new project to the class every Monday morning.

    In context

    The department head decided to assign the most complex accounts to the senior consultants to ensure the transition went smoothly.

    Usage

    Often follows the pattern 'assign something to someone' or 'assign someone something'.

  2. 02 B2 Upper Intermediate Formal

    v.to choose someone for a particular position or office.

    v.to designate or appoint an individual to a specific post, office, or functional role.

    Simple

    The company will assign a new manager to the Tokyo branch next month.

    In context

    Following the restructuring, the board voted to assign a dedicated liaison to handle all communications with the regulatory body.

  3. 03 B2 Upper Intermediate General-service

    v.to set something aside for a particular use, such as a seat, a room, or a time.

    v.to designate or set apart something for a specific purpose or recipient.

    Simple

    The host will assign a seat to every guest before the dinner starts.

    In context

    The urban planning committee agreed to assign a significant portion of the budget to the restoration of the historic waterfront district.

    reserveallocateset aside
  4. 04 C1 Advanced Academic

    v.to decide that something belongs in a certain group or has a certain quality.

    v.to attribute a quality or to sort an item into a specific category or class.

    Simple

    It is difficult to assign a specific date to these ancient stone tools.

    In context

    Biologists struggled to assign the newly discovered species to an existing genus due to its unique genetic markers.

    Teacher's tip

    Common in academic writing when discussing the origin or classification of objects or ideas.

  5. 05 B2 Upper Intermediate Technical Computing

    v.to give a specific value or piece of data to a variable in a computer program.

    v.to set or give a value to a variable or parameter within a computational context.

    Simple

    You need to assign a number to the variable before you run the code.

    In context

    The script is designed to assign a unique identification string to every user who logs into the portal for the first time.

  6. 06 C1 Advanced FormalTechnical Law

    v.to legally give your property or rights to someone else.

    v.to legally transfer property, rights, or interests from one party to another.

    Simple

    The author decided to assign the film rights of her book to the studio.

    In context

    Under the terms of the contract, the tenant may not assign the lease to a third party without written consent from the landlord.

  7. 07 C2 Proficiency FormalTechnical Law

    n.a person who is given property or legal rights by someone else.

    n.a person to whom a right or property is legally transferred.

    Simple

    The document was signed by the owner and his assigns.

    In context

    The agreement remains binding upon the original parties as well as their respective heirs and assigns.

    Usage

    Almost exclusively used in the plural form 'assigns' within legal contracts.

    assigneesuccessor

Usage assign negatively · assign normally · assign particularly

Think of it as the fly’s brain assigning a barcode to every smell.

Ars Technica· 3 Sept 2026

They also set a grade floor, meaning that teachers cannot assign a score below a certain number, usually 50 or 60 points.

The Conversation· 20 Jul 2026

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Latin signō Latin assignōlbor. Old French assignerbor. Middle English assignen English assign From Middle English assignen, from Old French assigner, asigner, from Latin assignō, from ad- + signō (“mark, sign”).

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

This entry
Origin Latin assignō
Level B2 · Upper Intermediate
Frequency Frequent
Updated