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Synonyms

certified

American  
[sur-tuh-fahyd] / ˈsɜr təˌfaɪd /

adjective

  1. having or proved by a certificate.

    a certified representative.

  2. guaranteed; reliably endorsed.

    a certified check.

  3. legally declared insane.

  4. committed to a mental institution.


certified British  
/ ˈsɜːtɪˌfaɪd /

adjective

  1. holding or guaranteed by a certificate

  2. endorsed or guaranteed

    a certified cheque

  3. (of a person) declared legally insane

"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

Other Word Forms

Etymology

Origin of certified

First recorded in 1605–15; certify + -ed 2

Explanation

If you've met a certain standard or proven that you're qualified for some specific job or task, you're certified. Most schools hire only certified teachers. In order for a person to become certified, there is usually some sort of test or review. A certified accountant has proven that she knows how to prepare tax forms and other financial records by taking classes and an exam. A certified diver has trained to use scuba gear and dive to a certain depth in the ocean, and demonstrated this ability. When you're certified in some way, you often receive a certificate, a document that proves it.

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Vocabulary lists containing certified

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.

See Examples For:

For Luke Delorme, a certified financial planner in Great Barrington, Mass., AI is especially valuable in capturing and retaining client information.

From MarketWatch Jul. 24, 2026

I’m a certified financial planner and I’m therefore a fiduciary, but I’m not your fiduciary.

From MarketWatch Jul. 22, 2026

The arbitration process is run by private entities certified by the federal government.

From The Wall Street Journal Jul. 22, 2026

For a UK case, the CPS prepares a request which is certified by a judge.

From BBC Jul. 20, 2026

They were, they insisted, interested only in chemical processes which they could reproduce in their own laboratories and could then have certified by their colleagues.

From "The Invention of Science" by David Wootton

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