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 …

custom adjective [ before noun ] uk / ˈkʌs.təm / us / ˈkʌs.təm / (of a product, feature, etc.) specially designed for a particular person or purpose:

Apr 15, 2026 · custom (not comparable) Made or done in a way adjusted to fit the needs of a particular person or group (e.g., customer, health care patient, do-it-yourselfer), and thus specialized and, in …

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. The custom of lighting the Olympic flame goes back centuries.

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.

Look up custom or customs in Wiktionary, the free dictionary. Custom, customary, or consuetudinary may refer to:

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.