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WORD FILE NO. 00570 · Core CSAT & TOEIC Vocabulary

auxiliary

adj.
US/ɔːɡˈzɪlɪeri/
UK/ɔːɡˈzɪləri/
CSAT Frequency52/100
TOEIC Frequency68/100
02

Meanings of auxiliary

1adjective

Providing or ready to provide supplementary or additional help, support, or function.

The auxiliary power generator ensures electricity during system failures.
The auxiliary power generator ensures electricity during system failures.
An auxiliary nurse assists the primary medical staff in patient care.
An auxiliary nurse assists the primary medical staff in patient care.
03

Derivatives of auxiliary

auxiliary verb
auxiliary verb (noun)
In English, 'will' and 'have' are common auxiliary verbs used to form tenses.
In English, 'will' and 'have' are common auxiliary verbs used to form tenses.
auxiliaries
auxiliaries (noun, plural)
The hospital hired several auxiliaries to help during the busy season.
The hospital hired several auxiliaries to help during the busy season.
auxiliary engine
auxiliary engine (noun phrase)
The ship's auxiliary engine provides backup power when the main engine stops.
The ship's auxiliary engine provides backup power when the main engine stops.
04

Synonyms & Antonyms of auxiliary

05

Common Phrases with auxiliary

auxiliary powerauxiliary power
auxiliary staffauxiliary staff
auxiliary equipmentauxiliary equipment
auxiliary verbauxiliary verb
auxiliary systemauxiliary system
06

Practice Question: auxiliary

Choose the best word for the blank

The military deployed ___ forces to provide support for the main operation.

  • A auxiliary
  • B auxiliaries
  • C auxiliarity
  • D auxiliarly
The adjective form 'auxiliary' correctly modifies the noun 'forces'; the other options are either noun forms or non-standard spellings.