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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.

Marvell helps design custom AI chips —called XPUs—for major technology companies like Amazon.com.

From Barron's • Apr. 3, 2026

Near a resort pool and on a narrow balcony, she prances around in a variety of adorable outfits including a pair of custom bedazzled hot pink heel roller skates.

From Los Angeles Times • Apr. 3, 2026

The researchers produced the chip using established semiconductor techniques and mounted it on a custom circuit board.

From Science Daily • Apr. 2, 2026

The news came mere weeks after Owens and Biles left Chicago and moved back to Texas—and to the custom lakefront mansion they spent years building.

From MarketWatch • Mar. 24, 2026

I use the term racial caste in this book the way it is used in common parlance to denote a stigmatized racial group locked into an inferior position by law and custom.

From "The New Jim Crow" by Michelle Alexander

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.