ultracritical

/ˌʌltrəˈkrɪdɪkəl/
adjective
  1. Extremely critical; finding fault with everything or judging very harshly.
    • He is so ultracritical of his own work that he never feels satisfied.
    • The movie review was ultracritical, calling the film a complete failure.
    • My ultracritical teacher marked every tiny mistake in my essay.
  2. Of the utmost importance; absolutely crucial.
    • The safety check is ultracritical before the rocket launch.
    • Getting enough sleep is ultracritical for your health.
    • This step is ultracritical to the success of the project.
Antonyms
What does "ultracritical" mean? | whatsthatwordmean | whatsthatwordmean