Definition of 'accessory'

Noun

1. clothing that is worn or carried, but not part of your main clothing
      Synonyms: accoutrement accouterment
2. a supplementary component that improves capability
      Synonyms: appurtenance supplement add-on
3. someone who helps another person commit a crime
      Synonyms: accessary

Adjective

1. furnishing added support; "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxiliary to each other"
      Synonyms: adjunct ancillary adjuvant appurtenant auxiliary subsidiary

---