Definition of 'adjunct'

Noun

1. something added to another thing but not an essential part of it
2. a person who is an assistant or subordinate to another
3. a construction that can be used to extend the meaning of a word or phrase but is not one of the main constituents of a sentence

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: accessory ancillary adjuvant appurtenant auxiliary subsidiary
2. of or relating to a person who is subordinate to another
      Synonyms: assistant

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