WordReference Random House Learner's Dictionary of American English © 2015
in•dis•pen•sa•ble /ˌɪndɪˈspɛnsəbəl/USA pronunciation   adj. 
  1. necessary or essential:A computer is indispensable to many writers.
in•dis•pen•sa•bil•i•ty /ˌɪndɪˌspɛnsəˈbɪlɪti/USA pronunciation  n. [uncountable]
in•dis•pen•sa•bly, adv. See -pend-.

WordReference Random House Unabridged Dictionary of American English © 2015
in•dis•pen•sa•ble  (in′di spensə bəl), 
  1. absolutely necessary, essential, or requisite:an indispensable member of the staff.
  2. incapable of being disregarded or neglected:an indispensable obligation.

  • a person or thing that is indispensable.
  • Etymology:
    • Medieval Latin indispēnsābilis not subject to dispensation. See in-3, dispensable
    • 1525–35
    in′dis•pen′sa•bili•ty, in′dis•pensa•ble•ness, n. 
    in′dis•pensa•bly, adv. 
    1 . needed. See necessary. 

    Collins Concise English Dictionary © HarperCollins Publishers::

    indispensable /ˌɪndɪˈspɛnsəbəl/ adj
    1. absolutely necessary; essential
    2. not to be disregarded or escaped: an indispensable role
    1. an indispensable person or thing

    ˌindisˌpensaˈbility, ˌindisˈpensableness n ˌindisˈpensably adv

    'indispensable' also found in these entries:

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