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Definitions

custom

[kuhs-tuhm] / ˈkʌs təm /
NOUN
habitual action
Synonyms
STRONGEST
characteristic habit practice procedure rule
STRONG
addiction consuetude fashion form grind groove habitude hang-up manner mode observance praxis precedent proprieties routine shot swim thing trick usage use way wont
WEAK
beaten path daily grind into matter of course second nature
Antonyms
WEAK
departure deviation difference divergence irregularity
NOUN
ritual, traditional action
Synonyms
STRONGEST
method policy practice rite rule style system
STRONG
attitude canon ceremony character convention conventionalism design dictates etiquette fashion form formality manner mode mold mores observance observation pattern performance praxis precedent precept routine taste type usage use way
WEAK
customariness established way folkways inheritence matter of course second nature unwritten law unwritten rule
Antonyms
STRONG
disorganization heedlessness neglect thoughtlessness
WEAK
departure deviation difference divergence irregularity

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.

On Substack recently, Nicholas Thompson, the CEO of the Atlantic, shared a writer’s account of using Claude to build a custom editing rubric while instructing the A.I.,

From Slate • Apr. 17, 2026

At the Spa Hotel in Saltburn-by-the-Sea, the custom do-not-disturb sign says “refresh” on one side and “treat” on the other.

From The Wall Street Journal • Apr. 15, 2026

After spending billions on data centers, Meta Platforms is focusing on another area of artificial-intelligence investment: custom chips.

From MarketWatch • Apr. 15, 2026

In September, Nvidia invested External link $5 billion in Intel, which will make custom x86 server CPUs to integrate with Nvidia products.

From Barron's • Apr. 14, 2026

The captain, as was his custom, was standing in the stern, merrie rope in hand, shouting orders about lowering the sail.

From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey

Vocabulary lists containing custom

Two-Faced Words: Contronyms

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"Rikki-Tikki-Tavi" by Rudyard Kipling

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"The Civil Rights Movement"

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!