culpably involved; "all those concerned in the bribery case have been identified"; "named three officials implicated in the plot"; "an innocent person implicated by circumstances in a crime"
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?"
requiring much effort and trouble; "the mountain climb was long, steep, and difficult"
made to feel uncomfortable because of shame or wounded pride; "too embarrassed to say hello to his drunken father on the street"; "humiliated that his wife had to go out to work"; "felt mortified by the comparison with her sister"