What does "criticalness" mean?

The state or quality of being critical.

Criticalness

Common synonyms include: accuracy, appreciation, circumstantiality, criticality, cruciality, delicacy.

noun

noun ·Rare ·Advanced level

Noun

1
The state or quality of being critical. uncountable
"Acquiescence may be roughly described as a "yea-saying" tendency, criticalness as a "nay-saying" tendency."
2
a state of critical urgency wordnet

"Acquiescence may be roughly described as a "yea-saying" tendency, criticalness as a "nay-saying" tendency."

From critical + -ness.