difficult

difficult (http://definr.com/difficult)

     adj 1: not easy; requiring great physical or mental effort to
            accomplish or comprehend or endure; "a difficult
            task"; "nesting places on the cliffs are difficult of
            access"; "difficult times"; "a difficult child";
            "found himself in a difficult situation"; "why is it
            so hard for you to keep a secret?" [syn: hard] [ant:
             easy]
     2: requiring much effort and trouble; "the mountain climb was
        long, steep, and difficult"