Adjunct definition

(1) Of or relating to a person who is subordinate to another

(2) Furnishing added support

"An ancillary pump"

"An adjuvant discipline to forms of mysticism"

"The mind and emotions are auxiliary to each other"

(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

(4) Something added to another thing but not an essential part of it

(5) A person who is an assistant or subordinate to another