problematic - definition and synonyms

adjective 

Your browser doesn’t support HTML5 audio

/ˌprɒbləˈmætɪk/

or problematical 

Your browser doesn’t support HTML5 audio

/ˌprɒbləˈmætɪk(ə)l/

  1. involving or causing problems

    Planning a trip at that time is going to be problematic.