1. (

• aide ,
• auxiliary

) someone who acts as assistant ;

1. (

• auxiliary ,
• subsidiary ,
• supplemental ,
• supplementary

) functioning in a supporting capacity; "the main library and its auxiliary branches" ;

2. (

• accessory ,
• adjunct ,
• ancillary ,
• adjuvant ,
• appurtenant ,
• auxiliary

) furnishing added support; "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxiliary to each other" ;