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critical

critical /ˈkrɪtɪkəl/ adjective
critical
/ˈkrɪtɪkəl/
adjective
Britannica Dictionary definition of CRITICAL
[more critical; most critical] : expressing criticism or disapproval
: of or relating to the judgments of critics about books, movies, art, etc.
: using or involving careful judgment about the good and bad parts of something
[more critical; most critical] : extremely important
[more critical; most critical] medical : relating to or involving a great danger of death
sometimes used figuratively

— critically

/ˈkrɪtɪkli/ adverb