Dictionary > English Dictionary > Definition, synonym and antonym of auxiliary
Meaning of auxiliary by Wiktionary Dictionary



    From Latin auxiliarius, equiv. to auxiliaris ( “helping, aiding” ), from auxilium ( “help, aid” ), from augere ( “to increase” ) .


    • ( RP ) IPA: /ɔːkˈsɪljəɹi/, IPA: /ɔːkˈsɪliəɹi/, IPA: /ɔːkˈsɪləɹi/
    • ( GenAm ) IPA: /ɔɡˈzɪljɛɹi/, IPA: /ɔɡˈzɪliɛɹi/
    • ( cot-caught merged ) IPA: /ɑɡˈzɪljɛɹi/, IPA: /ɑɡˈzɪliɛɹi/


    auxiliary ( not comparable )

    1. Helping; giving assistance or support .
    2. Supplementary or subsidiary .
    3. Held in reserve for exceptional circumstances .
    4. ( nautical ) Of a ship, having both sails and an engine .
    5. ( grammar ) Relating to an auxiliary verb .



    auxiliary ( plural: auxiliaries )

    1. A person or group that acts in an auxiliary manner .
    2. A sailing vessel equipped with an engine .
    3. ( grammar ) An auxiliary verb .
    4. A marching band colorguard .

    Related terms

    External links

    • auxiliary in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
    • auxiliary in The Century Dictionary, The Century Co., New York, 1911

Explanation of auxiliary by Wordnet Dictionary


    1. functioning in a supporting capacity

    2. the main library and its auxiliary branches
    3. furnishing added support

    4. The mind and emotions are auxiliary to each other
    1. someone who acts as assistant

    Definition of auxiliary by GCIDE Dictionary


    1. Auxiliary ( ?; 106 ), a. [L. auxiliarius, fr. auxilium help, aid, fr. augere to increase.] Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops.

      Auxiliary scales ( Mus. ), the scales of relative or attendant keys. See under Attendant, a. -- Auxiliary verbs ( Gram. ). See Auxiliary, n., 3.

    2. Auxiliary, n.; pl. Auxiliaries
      1. A helper; an assistant; a confederate in some action or enterprise.

      2. ( Mil. ) pl. Foreign troops in the service of a nation at war; ( rarely in sing. ), a member of the allied or subsidiary force.

      3. ( Gram. ) A verb which helps to form the voices, modes, and tenses of other verbs; -- called, also, an auxiliary verb; as, “have, be, may, can, do, must, shall, and will, in English; être and avoir, in French; avere and essere, in Italian; estar and haber, in Spanish.”

      4. ( Math. ) A quantity introduced for the purpose of simplifying or facilitating some operation, as in equations or trigonometrical formulæ. Math. Dict.