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

     

    murky

     adjective
    adjective
    BrE BrE//ˈmɜːki//
     
    ; NAmE NAmE//ˈmɜːrki//
     
    (murkier, murkiest)
     
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  1. 1(of a liquid) not clear; dark or dirty with mud or another substance synonym cloudy She gazed into the murky depths of the water.
  2. 2(of air, light, etc.) dark and unpleasant because of smoke, fog, etc. a murky night
  3. 3(disapproving or humorous) (of people’s actions or character) not clearly known and suspected of not being honest He had a somewhat murky past. the murky world of arms dealing
  4. Extra examples He had an extremely murky past. The meaning of this sentence remains murky. He was involved in the murky world of arms dealing. The light was murky and it was difficult to see ahead. What are you talking about? Some dark secret from your murky past?
See the Oxford Advanced American Dictionary entry: murky