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adjunct

American  
[aj-uhngkt] / ˈædʒ ʌŋkt /

noun

  1. something added to another thing but not essential to it.

    Synonyms:
    supplement, appendix
  2. a person associated with lesser status, rank, authority, etc., in some duty or service; assistant.

    Synonyms:
    attaché, aide
  3. a person working at an institution, as a college or university, without having full or permanent status.

    My lawyer works two nights a week as an adjunct, teaching business law at the college.

  4. Grammar. a modifying form, word, or phrase depending on some other form, word, or phrase, especially an element of clause structure with adverbial function.


adjective

  1. joined or associated, especially in an auxiliary or subordinate relationship.

  2. attached or belonging without full or permanent status.

    an adjunct surgeon on the hospital staff.

adjunct British  
/ ˈædʒʌŋkt, əˈdʒʌŋktɪv /

noun

  1. something incidental or not essential that is added to something else

  2. a person who is subordinate to another

  3. grammar

    1. part of a sentence other than the subject or the predicate

    2. (in systemic grammar) part of a sentence other than the subject, predicator, object, or complement; usually a prepositional or adverbial group

    3. part of a sentence that may be omitted without making the sentence ungrammatical; a modifier

  4. logic another name for accident

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. added or connected in a secondary or subordinate position; auxiliary

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See addition.

Other Word Forms

  • adjunctive adjective
  • adjunctly adverb

Etymology

Origin of adjunct

1580–90; < Latin adjunctus joined to (past participle of adjungere ), equivalent to ad- ad- + jung- (nasal variant of jug- yoke 1 ) + -tus past participle suffix

Explanation

Adjunct means something added on, but not part of the whole. An adjunct professor is someone who is hired by a college to teach but isn't a full member of the faculty. This is a word you can figure out by taking it apart. From ad- "to" and -junct "join" (think "junction"), you can see that this is about joining something to another. "During lunch, Tim always sat at the girls' lacrosse-team lunch table, and they joked that he was an adjunct member of the team."

Keep Reading on Vocabulary.com

Vocabulary lists containing adjunct

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I’d worked as a server, an office clerk, an adjunct professor and a retail worker putting myself through school.

From Salon • Apr. 19, 2026

“This is a Cerberus takeover,” said Steve Blank, an adjunct Stanford professor of entrepreneurship and national security.

From The Wall Street Journal • Apr. 16, 2026

Daniel Schneiderman, an adjunct senior fellow in the Center for a New American Security's Middle East Security Program, said Iran's forces remain a danger despite more than 10 days of US-Israeli strikes.

From Barron's • Mar. 10, 2026

“There’s going to be wear and tear on the Navy that’s going to be difficult to recover from very quickly,” said Thomas Shugart, an adjunct senior fellow at the Center for a New American Security.

From The Wall Street Journal • Mar. 8, 2026

“Yes. She is now teaching in America. She shares a cramped office with another adjunct professor, but she says at least teachers are paid there.”

From "Purple Hibiscus" by Chimamanda Ngozi Adichie