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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.

Google has been designing its in-house, custom chips for over a decade.

From The Wall Street Journal • Apr. 22, 2026

Many have already traded down to more affordable options as far as they can in spending habits, so retailers may find it harder to pass on higher costs on as price rises, without damaging custom.

From BBC • Apr. 22, 2026

Amazon has designed its Trainium chips with Marvell for years, and the two companies have an existing five-year agreement for multiple generations of custom chips, optical and copper-based connectivity and other data-center components.

From MarketWatch • Apr. 21, 2026

From custom numbers to archival pieces, cast members, new and old, impressed in gowns that deserved center spreads in Runway.

From Los Angeles Times • Apr. 21, 2026

She could not get used to the American custom of receiving compliments with a simple thank you.

From "In the Year of the Boar and Jackie Robinson" by Bette Bao Lord

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!