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intern

1 American  
[in-turn] / ˈɪn tɜrn /
Sometimes interne

noun

  1. a resident member of the medical staff of a hospital, usually a recent medical school graduate serving under supervision.

  2. Education. student teacher.

  3. a person who works as an apprentice or trainee in an occupation or profession to gain practical experience, and sometimes also to satisfy legal or other requirements for being licensed or accepted professionally.


verb (used without object)

interned, interning
  1. to be or perform the duties of an intern.

intern 2 American  
[in-turn, in-turn] / ɪnˈtɜrn, ˈɪn tɜrn /

verb (used with object)

  1. to restrict to or confine within prescribed limits, as prisoners of war, enemy aliens, or combat troops who take refuge in a neutral country.

  2. to impound or hold within a country until the termination of a war, as a ship of a belligerent that has put into a neutral port and remained beyond a limited period.


noun

  1. a person who is or has been interned; internee.

intern 3 American  
[in-turn] / ɪnˈtɜrn /

adjective

Archaic.
  1. internal.


intern British  

verb

  1. (tr) to detain or confine (foreign or enemy citizens, ships, etc), esp during wartime

  2. (intr) to serve or train as an intern

"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

noun

  1. another word for internee

  2. Also: interne.  British equivalent: house officermed a graduate in the first year of practical training after medical school, resident in a hospital and under supervision by senior doctors

  3. a student teacher

  4. a student or recent graduate receiving practical training in a working environment

"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. an archaic word for internal

"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

Etymology

Origin of intern1

First recorded in 1825–30 intern 1 for def. 1, and in 1920–25 intern 1 for defs. 2, 3; from French interne “assistant doctor,” from Latin internus “inward”; intern 3

Origin of intern2

First recorded in 1865–70; from French interner “to send inland; confine,” verbal derivative of interne intern 3

Origin of intern3

First recorded in 1570–80; from Latin internus “inward,” equivalent to inter- inter- + -nus adjective suffix

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.

She was previously a breaking corporate news reporter in New York, and got her start at the Journal as an intern in the Detroit bureau covering the auto industry.

From The Wall Street Journal • Apr. 2, 2026

I was an emergency medicine intern the first time I watched a baby’s heart stop.

From Slate • Mar. 29, 2026

Colombo would follow the Hague Convention, the official added, noting it says that "a neutral power which receives on its territory troops belonging to the belligerent armies shall intern them".

From Barron's • Mar. 9, 2026

He also worked as an administrative intern before receiving the job of council aide to Rojas in March 2023.

From Los Angeles Times • Mar. 8, 2026

The intern, rather unprofessionally, raised one hand to her throat and then pretended to fix her collar.

From "Middlesex: A Novel" by Jeffrey Eugenides