English Reference
adjective · verb

adjoining

adj. · v.
US /əˈdʒɔɪnɪŋ/ UK /ɐdʒˈɔɪnɪŋ/ ad·join·ing

  1. 01 B2 Upper Intermediate

    adj.describes rooms, buildings, or pieces of land that are next to each other and share a wall or border.

    adj.describes physical structures or areas of land that share a common boundary or connecting wall.

    Simple

    We booked two adjoining rooms in the hotel so the children could be near us.

    In context

    The developer purchased the adjoining lot to ensure there was sufficient space for the planned underground parking facility.

    Usage

    usually placed before the noun it describes.

  2. 02 C1 Advanced Formal

    v.the act of being next to or joined to something else.

    v.the present participle of 'adjoin', describing the state of being in contact with or contiguous to another entity.

    Simple

    The garden is beautiful, with a small path adjoining the main house to the garage.

    In context

    The legal dispute centered on a narrow strip of land adjoining the two estates, which both parties claimed to own.

    Usage

    often used as a participle describing a relationship between two properties.

The park and its adjoining Curecanti National Recreation Area in 2025 had drawn 1.3 million visitors who spent $25.6 million in nearby communities.

The Conversation· 14 Aug 2026

The first of these attacks took place on Christmas 1956, when a bomb damaged both the church and the adjoining parsonage where the Rev.

The Conversation· 19 Aug 2026

From Middle English ajoinen, from Old French ajoindre, (compare French adjoindre), from Latin adiungō (“join to”), formed from ad- (“to, towards, at”) + iungō (“join”).

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

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