questionable

 
Pronunciation: /ˈkwɛstʃ(ə)nəb(ə)l/

adjective

  • doubtful as regards truth or validity: [with clause]: it is questionable whether any of these exceptions is genuine
  • likely to be dishonourable or morally suspect: his questionable financial deals

Derivatives

questionability

Pronunciation: /kwɛstʃ(ə)nəˈbɪlɪti/
noun

questionableness

noun

questionably

adverb