crucial
Pronunciation:
/ˈkɹuː.ʃəl/adjective
Definitions
Essential or decisive for determining the outcome or future of something; extremely important.
Example: A secure supply of crude oil is crucial for any modern nation, let alone a superpower.
Cruciform or cruciate; cross-shaped.
(Bermuda) Very good; excellent; particularly applied to reggae music.
Example: Delbert Wilkins is the most crucial pirate radio DJ in Brixton.