ENGLISH WORD FILE NO. 00470 · Core CSAT & TOEIC Vocabulary
auxiliary
adj.
US/ɔːɡˈzɪljeri/
UK/ɔːɡˈzɪləri/
CSAT Frequency62/100
TOEIC Frequency58/100
02
Meanings of auxiliary
1adjective
Providing or serving as additional help or support to the main thing.
The hospital has an auxiliary power system for emergencies.
The hospital has an auxiliary power system for emergencies.
Auxiliary troops were sent to reinforce the main army.
Auxiliary troops were sent to reinforce the main army.
03
Derivatives of auxiliary
auxiliary verb
auxiliary verb (noun)
The auxiliary verb 'do' is essential for forming questions and negatives.
The auxiliary verb 'do' is essential for forming questions and negatives.
auxiliary noun
auxiliary noun (noun)
The auxiliaries provided crucial support during the operation.
The auxiliaries provided crucial support during the operation.
auxiliary equipment
auxiliary equipment (noun)
The ship carried auxiliary equipment for water desalination.
The ship carried auxiliary equipment for water desalination.
04
Synonyms & Antonyms of auxiliary
05
Common Phrases with auxiliary
auxiliary powerauxiliary power
auxiliary verbauxiliary verb
auxiliary forcesauxiliary forces
auxiliary servicesauxiliary services
auxiliary equipmentauxiliary equipment
06
Practice Question: auxiliary
Choose the best word for the blank
The hospital installed an ___ generator to ensure electricity during power outages.
- A auxiliary
- B auxiliaries
- C auxiliaring
- D auxiliaryly
The adjective form 'auxiliary' directly modifies the noun 'generator'; noun or adverbial forms are grammatically incorrect here.