DictionaryAI

join

JOYN/ˈd͡ʒɔɪn/

Formsjoins, joining, joined

12 meanings of join

Practice

  1. 1
    become a memberverbtransitive
    To become a member of a group, organization, or body.

    Hundreds of volunteers join the charity every spring.

    He joined the local orchestra as a second violinist.

    UsageNo preposition before the group: join the army, join a club (not incorrect: join to a club).

    Similarenlist, enroll

    Oppositeleave, quit

    Note

    Membership is the everyday use, and the object can drop away when the group is already clear. In W. B. Maxwell's The Mirror and the Lamp (1918), a union is started for the laborers and "all but a few joined." Children join a club, politicians a party: the verb marks the moment of entry, not the lasting state of belonging.

    Checked 31 Oct 2026 · 3 facts

    • W. B. Maxwell wrote The Mirror and the Lamp. openlibrary.org
    • The Mirror and the Lamp was first published in 1918. en.wikisource.org
    • The novel describes a union being started for unskilled laborers and contains the exact words “all but a few joined.” This is narration. en.wiktionary.org
  2. 2
    keep companyverbtransitive
    To come into the company of someone, accompanying them where they are.

    Feel free to join me on the balcony for some fresh air.

    The ambassador joined the other guests in the reception hall.

    UsageOften join someone for a meal or at a place: join us for dinner.

    Similaraccompany

  3. 3
    team upverbintransitive
    To come together with others in an alliance or association, uniting for a shared aim.

    Farmers and environmental groups decided to join together to stop the pipeline, despite years of disagreement.

    Neighboring states joined in opposing the trade restrictions.

    UsageUsually join together, join with someone, or join in doing something: states joined in opposing the rules.

    Similarunite, ally, combine, collaborate

    Note

    Here the uniting is of wills rather than objects, and the usual constructions are join with someone and join in doing something. Marlowe's Tamburlaine the Great urges "forsake thy king and do but join with me," and Shakespeare's King John has Nature and Fortune "join'd to make thee great." The same pattern lives on when states or parties join in opposing a law.

    Checked 31 Oct 2026 · 4 facts

    • Christopher Marlowe wrote Tamburlaine the Great. gutenberg.org
    • In Tamburlaine the Great, Part I, Tamburlaine urges Theridamas to join him using the quoted words. gutenberg.org
    • William Shakespeare wrote King John. gutenberg.org
    • King John contains the quoted wording about Nature and Fortune; Constance speaks it to Arthur. gutenberg.org
  4. 4
    verbtransitive or intransitive
    To connect or combine two or more things into one, or to become connected; to come together or meet at a point.

    Welders join steel beams to form the frame of a building.

    The two rivers join just south of the town.

    UsageOften join two things together, or join one to another; a phrase can say how: edge to edge.

    Similarconnect, fasten, attach, unite, link

    Oppositeseparate, detach, divide, split

  5. 5
    enter a contestverbtransitive
    To accept or enter into a contest, especially armed combat.

    Rival commanders rarely join battle without scouting the ground first.

    The two fleets joined battle off the cape at first light.

    UsageMostly in the fixed phrase join battle.

    Note

    The sense survives almost entirely in fixed phrases: join battle, join issue, join encounter. Marlowe and Milton use it of armies closing (Milton's battle "ere it join'd"), and Cho-yun Hsu's Ancient China in Transition (1965) still writes of officers divining "before joining battle."

    Checked 2 Nov 2026 · 5 facts

    • Marlowe uses join of opposing armies closing in combat, in Cosroe's speech in Tamburlaine the Great, Part I, Act II, scene i. gutenberg.org
    • Milton uses 'ere it join'd' of battle in Paradise Lost, Book VI. deriv.nls.uk
    • Cho-yun Hsu wrote Ancient China in Transition, published in 1965. www1.ihp.sinica.edu.tw
    • 1965 is the original publication year, preceding the 1968 paperback reprint. ci.nii.ac.jp
    • Hsu describes officers making divinations before joining battle, using the quoted phrase. en.wiktionary.org

Practice

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Origin

From Middle English joinen, from Old French joindre, from Latin iungō ("to join, yoke"), which goes back to Proto-Indo-European *yewg- ("to join, unite"). It is related to the English word yoke.

Checked 31 Oct 2026 · 6 facts