Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “custom-”


prefix     /kʌs.təm-/
used before another word to mean 'specially designed for a particular person or purpose': custom-designed custom-built softwareInventing, designing and innovationCreating and producing
(Definition of custom- prefix from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of custom-

Definitions of “custom-” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More