B1adjectiveformallanguagework
US/ɔːɡˈzɪl.jər.i/
UK/ɔːɡˈzɪl.jər.i/
extra and available to help or support the main thing when it is needed
In context
The hospital has an auxiliary generator in case the power fails.
In "She has finished," the word "has" is an auxiliary verb.
Auxiliary staff helped the nurses during the busy winter months.
Words that go with auxiliary
adjective + noun
- auxiliary verb"Do" is an auxiliary verb in many questions.
- auxiliary powerThe ship switched to auxiliary power after the engine failed.
- auxiliary staffAuxiliary staff handle cleaning and deliveries.
- auxiliary generatorAn auxiliary generator kept the lights on.
- auxiliary equipmentThe team carried auxiliary equipment up the mountain.
- auxiliary serviceThe company offers auxiliary services such as storage.