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unreliable

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adjective un·re·li·able \ˌən-ri-ˈlī-ə-bəl\

Definition of unreliable

  1. :  not reliable :  undependable, untrustworthy an unreliable friend an unreliable source of funding an unreliable car

unreliability

play \ˌən-ri-ˌlī-ə-ˈbi-lə-tē\ noun the unreliability of the data a person with a reputation for unreliability

unreliably

play \ˌən-ri-ˈlī-ə-blē\ adverb a method that works unreliably

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First Known Use of unreliable

1810

UNRELIABLE Defined for Kids

unreliable

adjective un·re·li·able \ˌən-ri-ˈlī-ə-bəl\

Definition of unreliable for Students

  1. :  not worthy of trust He got rid of his unreliable car.

Learn More about unreliable

  1. Spanish Central: Translation of unreliable Nglish: Translation of unreliable for Spanish speakers Britannica English: Translation of unreliable for Arabic speakers

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