verb \ ˈjȯin \
Updated on: 12 Nov 2017

Definition of join

transitive verb
1 a : to put or bring together so as to form a unit
  • join two blocks of wood with glue
b : to connect (separated items, such as points) by a line
2 : to put or bring into close association or relationship
  • two people joined in marriage
3 a : to come into the company of (someone)
  • She joined us for lunch.
b : to associate oneself with
  • joined the church
  • join the navy
4 : to enter into or engage in (battle)
  • perhaps as many as 100 aircraft joined battle simultaneously
  • —Peter Hellman
5 : adjoin
  • his studio there joined that of the famous sculptor
  • —J. T. Marshall
intransitive verb
1 : to come into close association or relationship: such as
a : to become a member of a group or organization
  • trying to get more people to join
often used with up
  • She joined up last year.
b : to take part in a collective activity usually used with in
  • join in singing
  • join in an effort
c : to form an alliance
2 a : to come together so as to be connected
  • nouns join to form compounds
  • the place where two rivers join
b : adjoin
  • the two estates join


play \ˈjȯi-nə-bəl\ adjective

Examples of join in a Sentence

  1. The islands are joined by a bridge.

  2. He insisted that I join them for lunch.

  3. We're going out for lunch. Would you like to join us?

  4. The magician asked for a volunteer from the audience to join him on stage.

  5. Everyone here joins me in congratulating you on a job well done!

  6. The singer started alone but soon the whole audience joined in.

  7. I joined the line and waited patiently to buy a ticket.

  8. Hundreds of people have joined the effort to save the building from demolition.

  9. He agreed to join the debate.

  10. Join the Navy and see the world!

Origin and Etymology of join

Middle English, from Anglo-French joindre, from Latin jungere — more at yoke

join Synonyms

abut, border (on), butt (on or against), flank, fringe, adjoin, march (with), neighbor, skirt, touch, verge (on)
Related Words
attach (to), communicate (with), connect (with), link (with); bound, embrace, encircle, enclose (also inclose), fence, line, margin, rim, surround; contact, converge, meet
Near Antonyms
drop out, quit, withdraw

Synonym Discussion of join

join, combine, unite, connect, link, associate, relate mean to bring or come together into some manner of union. join implies a bringing into contact or conjunction of any degree of closeness.
    • joined forces in an effort to win
combine implies some merging or mingling with corresponding loss of identity of each unit.
    • combined jazz and rock to create a new music
unite implies somewhat greater loss of separate identity.
    • the colonies united to form a republic
connect suggests a loose or external attachment with little or no loss of identity.
    • a mutual defense treaty connected the two nations
link may imply strong connection or inseparability of elements still retaining identity.
    • a name forever linked with liberty
associate stresses the mere fact of frequent occurrence or existence together in space or in logical relation.
    • opera is popularly associated with high society
relate suggests the existence of a real or presumed logical connection.
    • related what he observed to what he already knew




Definition of join

1 : something that joins two things : a place or line where joining occurs : joint
  • the join of lid and box
2 mathematics : union 2d

Examples of join in a Sentence

  1. a small crack in the chalice at the join of the stem and the bowl

Recent Examples of join from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'join.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of join

see 1join

JOIN Defined for English Language Learners



Definition of join for English Language Learners

  • : to put or bring (two or more things) together : to connect (two or more things)

  • : to come together with (something)

  • : to go somewhere in order to be with (a person or group)

JOIN Defined for Kids


verb \ ˈjȯin \

Definition of join for Students

joined; joining
1 : to come into the company of She joined me in the dining room.
2 : to take part in a group activity
  • We all joined in the chorus.
3 : to come, bring, or fasten together Let's all join hands.
4 : to become a member of
  • I'm joining the club.
5 : to come or bring into close association
  • Both schools joined together to raise funds.
6 : to combine the elements of
  • Join the two sets.
7 : adjoin
  • The two rooms join.

Law Dictionary


transitive verb

legal Definition of join

1 : to unite so as to form one unit
  • join the claims in one action
2 a : to align oneself with especially in a legal matter
  • she joined her husband as plaintiff
b : to cause or order (a person) to become a party to a lawsuit
  • if a person has not been joined as required, the court must order that the person be made a party
  • Federal Rules of Civil Procedure Rule 19(a)
— compare consolidate, implead, interplead, intervene
c : to enter into or participate in
  • join the suit
intransitive verb
1 : to come together so as to form a unit
  • the other victims of the scheme joined in the suit
2 : to commence involvement or participation
  • a person who refuses to join as a plaintiff may be made either a defendant, or…an involuntary plaintiff
  • Federal Rules of Civil Procedure Rule 19(a)


join issue or join the issue
1 : to accept, fix on, or clearly define an issue as the subject of a legal dispute
  • refused to join issue by filing an answer with the court
2 : to take an opposed position on some question
  • join issue with the conclusion

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