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specialist

American  
[spesh-uh-list] / ˈspɛʃ ə lɪst /

noun

  1. a person who is devoted to one subject or to one particular branch of a subject or pursuit.

  2. a medical practitioner who devotes attention to a particular class of diseases, patients, etc.

  3. U.S. Army. an enlisted person of one of four grades having technical or administrative duties, the grades corresponding to those of corporal through sergeant first class but not requiring the exercise of command.

  4. Stock Exchange. a member of an exchange who buys and sells a single stock or a particular group of stocks in their own name or for other stockbrokers and thus helps maintain the market in those securities on that exchange.


specialist British  
/ ˈspɛʃəlɪst /

noun

    1. a person who specializes in or devotes himself to a particular area of activity, field of research, etc

    2. ( as modifier )

      specialist knowledge

  1. an enlisted rank in the US Army denoting technical qualifications that entitle the holder to a noncommissioned officer's pay

  2. ecology an organism that has special nutritional requirements and lives in a restricted habitat that provides these Compare generalist

"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

Derived Forms

Etymology

Origin of specialist

First recorded in 1855–60; special + -ist

Explanation

A specialist has an area of expertise in a profession or branch of learning. Call an ear, nose, and throat specialist if you can’t shake a stuffy nose, but go to a Shakespeare specialist to learn about King Lear. Specialist started off as a word used just for doctors who focused particular diseases or parts of the body, but now a specialist can be someone with a narrow focus in any field. A specialist is any professional with a specialty — lawyers are specialists because each lawyer deals with a specific kind of legal work. To be a specialist you have to study or get experience in a specific field for a long time.

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Vocabulary lists containing specialist

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.

Laurence Findlay, president of the Association of Directors of Education in Scotland, said there was a "persistent and worsening shortage" of specialist teachers.

From BBC • Jun. 8, 2026

Her specialist subject was "the island of Jersey", about which she managed to answer five questions correctly.

From BBC • Jun. 8, 2026

In Europe, strict safety regulations and strong public-transport culture have put the brakes on robotaxi development, according to specialist Herve de Treglode.

From Barron's • Jun. 7, 2026

A few of them, like lunar-exploration specialist Intuitive Machines, are serving a market that may or may not boom.

From The Wall Street Journal • Jun. 5, 2026

For instance Jumpsteady, in Harlem, was a nighttime apartment specialist.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey

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