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

dubious

adjective
 
/ˈdjuːbiəs/
 
/ˈduːbiəs/
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  1. [not usually before noun] dubious (about something)/(about doing something) (of a person) not certain about something and suspecting that something may be wrong; not knowing whether something is good or bad synonym doubtful
    • I was rather dubious about the whole idea.
    • Kate looked dubious, but did as she was asked.
    Topics Doubt, guessing and certaintyc1
    Oxford Collocations Dictionaryverbs
    • be
    • seem
    • sound
    adverb
    • extremely
    • fairly
    • very
    See full entry
  2. (disapproving) probably not honest synonym suspicious
    • They indulged in some highly dubious business practices to obtain their current position in the market.
    • The man who sold it to him was known to be of dubious character.
    Topics Personal qualitiesc2
    Oxford Collocations Dictionaryverbs
    • be
    • seem
    • sound
    adverb
    • extremely
    • fairly
    • very
    See full entry
  3. that you cannot be sure about; that is probably not good
    • They consider the plan to be of dubious benefit to most families.
    • (ironic) The town has the dubious honour of having the highest burglary rate in England (= it is not really an honour).
    Extra Examples
    • He has the dubious distinction of being the world's most famous gangster.
    • some highly dubious information
    Oxford Collocations Dictionaryverbs
    • be
    • seem
    • sound
    adverb
    • extremely
    • fairly
    • very
    See full entry
  4. Word Originmid 16th cent. (in sense (2 and 3)): from Latin dubiosus, from dubium ‘a doubt’, neuter of dubius ‘doubtful’.
See dubious in the Oxford Advanced American DictionarySee dubious in the Oxford Learner's Dictionary of Academic English
alloy
noun
 
 
From the Topic
Physics and chemistry
C2
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