English Reference
verb

enclose

v.
US /ɪnˈkɫoʊz/ UK /ɛnklˈəʊz/ en·close UK spelling encloses, enclosing

  1. 01 B2 Upper Intermediate

    to build a wall, fence, or boundary around an area of land.

    to surround or hem in an area with a physical barrier such as a wall or fence.

    Simple

    The garden is enclosed by a high stone wall to keep the deer out.

    In context

    The developer planned to enclose the entire estate with a perimeter fence, citing security concerns from the future residents.

    Usage

    Often used in the passive voice to describe land or gardens.

  2. 02 B2 Upper Intermediate Formal

    to put something inside an envelope or package along with a letter.

    to insert an additional document or object into a container, typically an envelope, alongside the primary correspondence.

    Simple

    Please find a copy of my resume enclosed with this application letter.

    In context

    I have enclosed the original receipts for your records and would appreciate a confirmation of their arrival by the end of the week.

    Usage

    Commonly used in business correspondence; takes a direct object.

    Pitfall
    I enclosed to the letter a photo. I enclosed a photo with the letter.

    The verb 'enclose' takes a direct object (the thing you are putting inside).

Eukaryotic cells contain a nucleus that encloses their DNA.

ScienceDaily· 17 Aug 2026

From Middle English enclosen, inclosen, from Middle English enclos, from Old French enclose, feminine plural past participle of enclore, from Vulgar Latin inclaudō, inclaudere, from Latin inclūdō (doublet of include), from in- (“in”) + claudō (“to shut”), ultimately from Proto-Indo-European *kleh₂u- (“key, hook, nail”). Equivalent to en- + close.

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

This entry
Origin ine-pro *(s)kleh₂w-
Level B2 · Upper Intermediate
Frequency Occasional
Updated