auxiliary

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/ɔɡˈzɪljəri/
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Supportive and secondary things, people, groups, verbs, and engines that help a main system work or provide backup when needed.

Examples

  • The camera has an auxiliary light for low scenes.
  • Roman commanders relied on auxiliaries from allied peoples.
  • The hospital kept an auxiliary power supply ready for outages.
  • In I will call, will is the auxiliary.
  • Engineers inspected the yacht's auxiliary before the crossing.

Similar words

volunteer
auxiliary verb
operator
helper
affiliate
reserve engine
additional
function verb
supporting
secondary

Meanings

Giving support or extra help

adjective
everyday
neutral
Available to help a main person, group, system, or piece of equipment, often as a backup or supplement.

Examples

  • The hospital kept an auxiliary power supply ready for outages.
  • An auxiliary lane opened near the interchange during rush hour.
  • The charity called in auxiliary volunteers for the weekend event.
  • The aircraft used an auxiliary power unit while parked at the gate.
  • Police set up an auxiliary command post near the stadium.
  • The camera has an auxiliary light for low scenes.
  • The grammar book labels do as an auxiliary verb in questions.

Similar words

Supporting person, group, or thing

noun
workplace
neutral
A person, organization, unit, or device that helps a main body do its work.

Examples

  • The clinic hired two auxiliaries to support the nursing staff.
  • A volunteer auxiliary raised money for the hospital.
  • The police auxiliary directed traffic after the parade.
  • Roman commanders relied on auxiliaries from allied peoples.
  • The service auxiliary supplied fuel and repairs to the fleet.
  • Each auxiliary reported to the shift supervisor.
  • The club's auxiliary organized the annual fundraiser.

Similar words

Helping verb

noun
grammar
technical
A verb such as be, have, do, or a modal that works with a main verb to mark tense, voice, mood, emphasis, or questions.

Examples

  • In I will call, will is the auxiliary.
  • The auxiliary have forms perfect tenses in English.
  • Questions often place the auxiliary before the subject.
  • The auxiliary be helps form passive clauses.
  • Modal auxiliaries such as can and must add meanings like ability or necessity.
  • The sentence needs the auxiliary do in the negative form.
  • A chain of auxiliaries can appear before the main verb.

Similar words

Supplementary engine or vessel

noun
nautical
technical
A sailing vessel fitted with an engine, or the supplementary engine that provides power when sails or a main system are not enough.

Examples

  • The sloop became an auxiliary after an inboard engine was installed.
  • The captain switched to the auxiliary when the wind dropped.
  • Engineers inspected the yacht's auxiliary before the crossing.
  • A small auxiliary helped the boat maneuver inside the marina.
  • The vessel carried an auxiliary for emergency power.
  • Older sailing craft often added auxiliaries for safer harbor work.
  • The crew tested the auxiliary before relying on the sails.

Similar words

Etymology

From Latin auxiliarius, meaning helping or giving aid, from auxilium, aid or support, related to augere, to increase.

FAQ

What does auxiliary mean?

Auxiliary means supporting, supplementary, or available as a backup to something more central.

What is an auxiliary as a noun?

An auxiliary is a supporting person, group, unit, organization, or device that helps a main body do its work.

What is an auxiliary verb?

An auxiliary verb, also called a helping verb, works with a main verb to form tense, voice, mood, questions, negatives, or emphasis.

What are examples of auxiliary verbs?

Common English auxiliaries include be, have, do, and modals such as can, will, must, and should.

What is an auxiliary engine?

An auxiliary engine is a supplementary or backup engine used when the main source of power is not enough or is unavailable.

What is the plural of auxiliary?

The plural of auxiliary is auxiliaries.

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