unreliable

Definition of unreliable

Adjectives

liable to be erroneous or misleading
Synonyms:
undependable
fallible
likely to fail or make errors
not worthy of reliance or trust
"in the early 1950s computers were large and expensive and unreliable"
Synonyms:
undependable
untrustworthy, untrusty
not worthy of trust or belief
erratic, temperamental
likely to perform unpredictably
uncertain
not consistent or dependable
unsound
of e.g. advice
Antonyms:
dependable
worthy of reliance or trust
reliable
trustworthy, trusty
worthy of trust or belief
certain, sure
reliable in operation or effect
tested, time-tested, tried, tried and true
tested and proved to be reliable
undeviating
used of values and principles; not subject to change; steady
reliable
worthy of reliance or trust
show more antonyms...
dangerously unstable and unpredictable
"an unreliable trestle"
Synonyms:
treacherous
dangerous, unsafe
involving or causing danger or risk; liable to hurt or harm
lacking a sense of responsibility
Synonyms:
irresponsible
showing lack of care for consequences

Vocabulary Lists for unreliable

Harper Lee's "To Kill a Mockingbird" Chapters 11-20 »(180 words)
Vocabulary study list for Harper Lee's "To Kill a...
  • ambidextrous
  • undulate
  • leftovers
  • viscous
  • myopic

E.M. Forster's "A Passage to India" Chapters 1-10 »(537 words)
Vocabulary study list for E.M. Forster's "A Passage to...
  • double sharp
  • toddy palm
  • neem tree
  • water chestnut
  • desiccate

Anne Frank's "Diary of a Young Girl" Part 2 »(140 words)
Vocabulary study list for Anne Frank's "Diary of a...
  • scad
  • garble
  • leftovers
  • seethe
  • rambunctious

  • unreliable
  • undependable
  • irresponsible
  • treacherous
  • reliable

Words that contain unreliable