Definition of Questionable

Adjective: questionable  kwes-chu-nu-bul

  1. Subject to question
    "questionable motives"; "a questionable reputation"; "a fire of questionable origin"
     
  2. Open to doubt or suspicion
    "the candidate's questionable past";
    - doubtful, dubious, dubitable, in question, doubtable

See also:
question
questionably