Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


verb \ˈjȯin\

Simple Definition of join

  • : 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)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of join

  1. transitive verb
  2. 1 a :  to put or bring together so as to form a unit <join two blocks of wood with glue> b :  to connect (as points) by a line c :  adjoin

  3. 2 :  to put or bring into close association or relationship <joined in marriage>

  4. 3 :  to engage in (battle)

  5. 4 a :  to come into the company of <joined us for lunch> b :  to associate oneself with <joined the church>

  6. intransitive verb
  7. 1 a :  to come together so as to be connected <nouns join to form compounds> b :  adjoin <the two estates join>

  8. 2 :  to come into close association or relationship: as a :  to form an alliance b :  to become a member of a group c :  to take part in a collective activity <join in singing>

joinable 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 of join

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

First Known Use: 13th century

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>.

Rhymes with join




Definition of join

  1. 1 :  joint

  2. 2 :  union 2d

Examples of join in a sentence

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


First Known Use of join


JOIN Defined for Kids


verb \ˈjȯin\

Definition of join for Students


  1. 1 :  to come into the company of <She joined me in the dining room.>

  2. 2 :  to take part in a group activity <We all joined in the chorus.>

  3. 3 :  to come, bring, or fasten together <Let's all join hands.>

  4. 4 :  to become a member of <I'm joining the club.>

  5. 5 :  to come or bring into close association <Both schools joined together to raise funds.>

  6. 6 :  to combine the elements of <Join the two sets.>

  7. 7 :  adjoin <The two rooms join.>

Law Dictionary


transitive verb

Legal Definition of join

  1. 1 :  to unite so as to form one unit <join the claims in one action>

  2. 2a :  to align oneself with esp. 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>

  3. intransitive verb
  4. 1 :  to come together so as to form a unit <the other victims of the scheme joined in the suit>

  5. 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)>

joinable adjective
join issue or join the issue
  1. 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. 2 :  to take an opposed position on some question <join issue with the conclusion>

Seen and Heard

What made you want to look up join? Please tell us where you read or heard it (including the quote, if possible).


expressing little or no emotion

Get Word of the Day daily email!


Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.