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

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 …

custom a practice followed as a matter of course among a people; a habitual practice of an individual: It is her custom to take a walk every night before dinner.

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

custom: A traditional practice or usual way of doing something followed by a social group or people.

A custom is a traditional or habitual practice, behavior, or cultural convention shared by a particular group or society. It can also refer to an established use or long-standing behavior pattern of a …

It is the custom for the bride to wear a white dress on her wedding day. According to custom, the festivities begin at dusk. It's a matter of custom. We went through customs at the airport without any …

Definition of custom noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.