auxiliary

B1
US /ɔɡˈzɪl.(jə).ɹi/ UK /ɔːɡˈzɪl.(j)ə.ɹi/
adj noun Freq #14884

Meanings

  1. 1
    adj

    functioning in a supporting capacity

    the main library and its auxiliary branches

  2. 2
    adj

    Helping; giving assistance or support.

    auxiliary troops

  3. 3
    noun

    A person or group that acts in an auxiliary manner.

    Auxiliaries and ancillaries are comprehensive, and include a Westinghouse motor-driven recriprocating compressor used for locomotive braking and general service air, two rotary exhauster sets for train brakes when hauling passenger or fitted freight trains, and an oil-fired train heating boiler.

  4. 4
    noun

    Ellipsis of auxiliary verb.

    The three traditionally recognized Non-modal Auxiliaries are the per- fective Auxiliary have, the progressive Auxiliary be, and the passive Auxiliary be. Perfective have is so-called because it marks the completion (hence, perfec- tion) of an action; it is followed by a VP headed by a perfective -n participle, as in: (121) The referee has [_(VP) shown him the red card]

  5. 5
    adj

    furnishing added support

  6. 6
    noun

    someone who acts as assistant

  7. 7
    adj

    Supplementary or subsidiary.

  8. 8
    adj

    Held in reserve for exceptional circumstances.

Etymology

From Latin auxiliārius (“assistant, ally”), equiv. to auxiliāris (“helping, aiding”), from auxilium (“help, aid”), from augēre (“to increase”).

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Thesaurus

Synonyms
1 adj · functioning in a supporting... supplementary
2 adj · helping; giving assistance... accessoryancillary
5 adj · furnishing added support adjunct
6 noun · someone who acts as assistant aide
7 adj · supplementary or subsidiary. accessory
Word family
Derived forms auxieauxiliarilyauxiliaristauxlangelectroauxiliarynonauxiliarysemiauxiliary
Related forms auctionauctioneeraugmentaugmentationaxillary

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