unchallenging

/ˌʌnˈtʃælɪndʒɪŋ/
adjective
  1. Not demanding effort, skill, or thought; too easy or boring.
    • The homework was so unchallenging that the students finished it in five minutes.
    • The puzzle was unchallenging for someone of her experience.
    • He left his job because he found the work unchallenging.
What does "unchallenging" mean? | whatsthatwordmean | whatsthatwordmean