What does custom mean? As a noun, custom means a longstanding practice of a person (such as a daily habit) or a group (such as a cultural practice). As an adjective, custom describes something …

The meaning of CUSTOM is a usage or practice common to many or to a particular place or class or habitual with an individual. How to use custom in a sentence. Synonym Discussion of Custom.

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CUSTOM definition: 1. a way of behaving or a belief that has been established for a long time: 2. something you…. Learn more.

A custom is an activity, a way of behaving, or an event which is usual or traditional in a particular society or in particular circumstances.

There are 18 meanings listed in OED's entry for the word custom, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Custom definition: A common tradition or usage so long established that it has the force or validity of law.