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unreliable

5 syllables
adjective
Quick answer

As an adjective, unreliable means not reliable.

Meanings of unreliable

5 meanings

adjective

  1. Not reliable.

  2. Liable to be erroneous or misleading

    “an undependable generalization”

    Similar: undependable

  3. Not worthy of reliance or trust

    “in the early 1950s computers were large and expensive and unreliable”

    “an undependable assistant”

    Similar: undependable

  4. Dangerously unstable and unpredictable

    “treacherous winding roads”

    “an unreliable trestle”

    Similar: treacherous

  5. Lacking a sense of responsibility

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

adjective: liable to be erroneous or misleading
undependable
adjective: not worthy of reliance or trust
undependable
adjective: dangerously unstable and unpredictable
treacherous
Oppositesreliable

Words that rhyme with unreliable

reliableliableviableundeniablepliableunjustifiableunverifiable

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Nearby words

unregisteredunregulatedunrehearsedunrelatedunrelentingunreliabilityunrelievedunremarkableunremarkedunremittingunrepeatableunrepentant