The meaning of ACCESSORY is an object or device that is not essential in itself but adds to the beauty, convenience, or effectiveness of something else. How to use accessory in a sentence.

ACCESSORY definition: 1. something added to a machine or to clothing that has a useful or decorative purpose: 2. someone…. Learn more.

ACCESSORY definition: a subordinate or supplementary part, object, or the like, used mainly for convenience, attractiveness, safety, etc., as a spotlight on an automobile or a lens cover on a …

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

If someone is guilty of being an accessory to a crime, they helped the person who committed it, or knew it was being committed but did not tell the police.

accessory (əkˈsɛsərɪ) n, pl -ries 1. a supplementary part or object, as of a car, appliance, etc 2. (often plural) a small accompanying item of dress, esp of women's dress

Apr 10, 2026 · Noun accessory (plural accessories) Something that belongs to part of another main thing; something additional and subordinate, an attachment.

Factsheet What does the word accessory mean? There are five meanings listed in OED's entry for the word accessory. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

He is wanted as an accessory to murder. She was charged as an accessory before/after the fact. [=someone who helps a criminal before/after a crime has been committed]

Whether we're talking about a fog light for your boat or just a nice hat to go with your boating outfit, an accessory is something you add to something else to make it better. An accessory can be any …