specialized; specializing
1
intransitive
a
: to concentrate one's efforts in a special activity, field, or practice
a doctor who specializes in pediatrics
an attorney who specializes in estate planning
Everywhere, the pressure is on young people to specialize.Donald Kaul
b
: to have a characteristic, habitual way of behaving, speaking, etc.
… the halftime commentator on ESPN 2, who specialized in inanities throughout the tournament …Jonathan Wilson
… a computer industry that seems to specialize in simultaneous hype and obfuscation …Walter S. Mossberg
The anti-environmental presidency was orchestrated by administration insiders who have specialized in being out of touch …Gregg Easterbrook
2
intransitive biology : to undergo specialization (see specialization sense 2) or differentiation
As cells begin to specialize into adult tissues, methylation seems to inactivate genes that are no longer needed.John Travis
especially : to change adaptively
… diversity comes about because each different fish has to specialize, to find its own niche where it can do better than its competitors. Kenneth E. F. Watt
3
transitive : to apply or direct (something or someone) to a specific end, use, or specialty
specialized their study
… media are evolving so quickly that education of the future will probably be forced to specialize students in one or another media-type, no longer producing a single "literate" man.Henry G. Burger
Even some small police departments have seen fit to specialize their investigative units …Daniel S. McDevitt
4
transitive dated : to make particular mention of (something) : specify, particularize
… Edward dares not specialize what alone he dreads.Edward Bulwer-Lytton

Examples of specialize in a Sentence

Some carpenters do a wide range of jobs, while others specialize.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The cooperative specializes in Zeter, a finer variety of Pulu made from especially soft wool from the necks and backs of sheep. ABC News, 8 Aug. 2026 Lorena Basualdo, a luxury travel adviser who specializes in Italian vacations, pointed out that northern gateways have brief summers and limited transport slots. Christopher Elliott, USA Today, 7 Aug. 2026 Jose Oliver, owner of Cantina Taco Grill, said his restaurant specializes in serving tacos with more upscale ingredients like New York strip and ribeye steak. Carolyn Stein, Chicago Tribune, 7 Aug. 2026 The platform specializes in trending items, from rare clothing and accessory collections, to toys such as Labubus. Sarah Glodek, Fortune, 7 Aug. 2026 See All Example Sentences for specialize

Word History

First Known Use

1616, in the meaning defined at sense 4

Time Traveler
The first known use of specialize was in 1616

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Cite this Entry

“Specialize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/specialize. Accessed 9 Aug. 2026.

Kids Definition

specialize

verb
specialized; specializing
1
: to limit one's attention or energy to one business, subject, or study
2
: to undergo specialization

Medical Definition

specialize

intransitive verb
spe·​cial·​ize
specialized also British specialised; specializing also British specialising
1
: to concentrate one's efforts in a special activity or field : become or be a specialist
specialize in anesthesiology
2
: to undergo evolutionary specialization

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