TOP

Definition of reliable adjective from the Oxford Advanced Learner's Dictionary

reliable

adjective
 
/rɪˈlaɪəbl/
 
/rɪˈlaɪəbl/
Word Family
  • rely verb
  • reliable adjective (≠ unreliable)
  • reliably adverb
  • reliability noun (≠ unreliability)
  • reliance noun
jump to other results
  1. that can be trusted to do something well; that you can rely on synonym dependable
    • We are looking for someone who is reliable and hard-working.
    • a reliable friend
    • He was a very reliable and honest man who would never betray anyone.
    Topics Personal qualitiesb1
    Oxford Collocations Dictionaryverbs
    • be
    • prove
    • seem
    adverb
    • extremely
    • fairly
    • very
    preposition
    • as
    See full entry
  2. that is likely to be correct or true
    • reliable information/data
    • Our information comes from a reliable source.
    • Prosecution lawyers tried to show that she was not a reliable witness.
    • How reliable are the local weather forecasts?
    • These tests are a reliable indicator of future performance.
    Extra Examples
    • These measurements are reliable enough for most purposes.
    • This statement is not reliable as evidence.
    Oxford Collocations Dictionaryverbs
    • be
    • prove
    • seem
    adverb
    • extremely
    • fairly
    • very
    preposition
    • as
    See full entry
  3. able to work or operate for long periods without breaking down or needing attention
    • My car's not as reliable as it used to be.
    Extra Examples
    • It has a highly reliable control system.
    • There is no reliable supply of electricity or running water.
  4. opposite unreliable
See reliable in the Oxford Advanced American DictionarySee reliable in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day