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retain

American  
[ri-teyn] / rɪˈteɪn /

verb (used with object)

  1. to keep possession of.

    Synonyms:
    preserve, hold
    Antonyms:
    lose, loose
  2. to continue to use, practice, etc..

    to retain an old custom.

  3. to continue to hold or have.

    to retain a prisoner in custody; a cloth that retains its color.

  4. to keep in mind; remember.

    Antonyms:
    forget
  5. to hold in place or position.

  6. to engage, especially by payment of a preliminary fee.

    to retain a lawyer.

  7. Medicine/Medical. to keep in the body, especially abnormally; fail to eliminate.

    I was referred to a specialty clinic and they discovered that I was retaining urine.


retain British  
/ rɪˈteɪn /

verb

  1. to keep in one's possession

  2. to be able to hold or contain

    soil that retains water

  3. (of a person) to be able to remember (information, facts, etc) without difficulty

  4. to hold in position

  5. to keep for one's future use, as by paying a retainer or nominal charge

    to retain one's rooms for the holidays

  6. law to engage the services of (a barrister) by payment of a preliminary fee

  7. (in selling races) to buy back a winner that one owns when it is auctioned after the race

  8. (of racehorse trainers) to pay an advance fee to (a jockey) so as to have prior or exclusive claims upon his services throughout the season

"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 keep.

Other Word Forms

Etymology

Origin of retain

First recorded in 1350–1400; Middle English reteinen, from Old French retenir, from Latin retinēre “to hold back, hold fast,” equivalent to re- re- + -tinēre, combining form of tenēre “to hold”

Explanation

Retain means to hold on to or keep. People who can retain a lot of information are often mistaken for geniuses, but really they just have very good memories. To retain is to keep or maintain, whether in mind, possession or a certain condition. If you have a great personal assistant, you'll probably want to retain him for as long as you can. If your body is retaining water you might look a little plump. The verbs restrain and detain sound similar, but they mean to keep something by force.

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Vocabulary lists containing retain

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.

Retain documents labeled “final notice,” “case closed” or “no further action required,” plus case numbers.

From MarketWatch • Jan. 27, 2026

Retain receipts of any initial repairs as well as the cost of hotels and meals.

From New York Times • Sep. 10, 2021

Retain him in kinder for another year with the same teacher.

From Slate • May 16, 2019

Entering the offseason, the Nationals appeared to have three choices: Retain both Papelbon and Drew Storen, deal one or jettison both.

From Washington Times • Feb. 19, 2016

Retain, if you have the strength to do so, the opinions you had formed, the judgments you have passed.

From Princess Zara by Knight, Bert

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