ancillary

ancillary — adjective

1. describing something that supports the main work, product, or service but is not

1.形容詞C1
釋義

describing something that supports the main work, product, or service but is not itself the most important part.

例句

The hotel offers ancillary services such as laundry, parking, and airport pickup.

ancillary services

A small office handles ancillary tasks while the nurses treat patients.

ancillary + plural noun

同義詞
  • supplementary

    close in meaning but often suggests material added to complete something

  • auxiliary

    more technical; often used for backup systems, staff, or machines

  • supporting

    more everyday and often used for roles, actors, or evidence

  • secondary

    stresses lower importance more than practical help

反義詞
  • primary

    describes the main or most important part

  • core

    stresses what is central rather than added around it

文法句型

ancillary + noun

ancillary to + noun

用法筆記

Usually placed before a noun, or followed by 'to' when naming the main thing: ancillary staff, ancillary to the main project. Common in business, technical, and official writing.

常見錯誤

❌The parking lot is ancillary of the hotel.
✅The parking lot is ancillary to the hotel.
💡this sense takes the preposition 'to', not 'of'.
❌This fee is ancillary.
✅This is an ancillary fee.
💡predicative use is possible, but this formal sense is more common and usually sounds more natural before a noun.