indispensable

The definition of indispensable is essential or absolutely necessary.

(adjective)

When a part is needed to make a machine work, this is an example of when the part isindispensable.

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See indispensable in Webster's New World College Dictionary

adjective

  1. that cannot be dispensed with or neglected
  2. absolutely necessary or required

noun

an indispensable person or thing

Related Forms:

See indispensable in American Heritage Dictionary 4

adjective
  1. Not to be dispensed with; essential.
  2. Obligatory; unavoidable: the routine but indispensable ceremonies of state.
noun
One that is indispensable.

Related Forms:

  • inˌdis·pensˌa·bilˈi·ty, inˌdis·pensˈa·ble·ness noun
  • inˌdis·pensˈa·bly adverb

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