Definitions

domain

[doh-meyn] / doʊˈmeɪn /

NOUN

area of expertise, rule

Synonyms

STRONGEST

realm sphere territory

STRONG

authority bailiwick concern demesne department discipline district dominion empire estate field jurisdiction land occupation orbit power province quarter region scope slot specialty terrain turf walk wing

WEAK

home park neck of the woods stomping grounds

Antonyms

STRONG

sky surrender yielding

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.

The topic of Iran will be "hard to avoid" in the Trump-Xi meeting, experts said, but "this is not a domain China is eager to engage deeply on".

From Barron's • May 8, 2026

Each theory works extremely well within its own domain.

From Science Daily • May 3, 2026

To conclude otherwise is to confuse a misuse of military power with the nature of the domain itself.

From The Wall Street Journal • May 3, 2026

The top 25 should be her domain, somewhere in there, for a long time.”

From Los Angeles Times • May 3, 2026

And though he had no staff, and stood on alien ground and evil ground, the domain of a dark power, yet his will prevailed.

From "A Wizard of Earthsea" by Ursula K. Le Guin

Vocabulary lists containing domain

Jim Burke's Academic Vocabulary List

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There's No Word Like Home

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The One and Only Ivan

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!