difficult

/ˈdɪfɪkəlt/
adjective
  1. Needing much effort or skill to do, understand, or deal with; not easy.
    • The math problem was so difficult that most students couldn't solve it.
    • She faced a difficult decision about which job to accept.
    • Learning a new language can be difficult, but it is very rewarding.
  2. Hard to please or manage; not cooperative (used of a person).
    • The toddler was being difficult and refused to put on his shoes.
    • The customer was difficult and kept changing his order.
    • He has a difficult personality, but he means well.
Antonyms