Multiple choice general knowledge

adj. very important; decisive; essential; difficult; essential

  1. Authentic

  2. Crucial

  3. Noisome

  4. Cantenkerous

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Crucial means extremely important, decisive, or critical - matching all aspects of the definition provided. Authentic means genuine, noisome means unpleasant, and cantenkerous (misspelled 'cantankerous') means bad-tempered - none convey essential importance.