1.
The ~ of something is its complete opposite or something which destroys it or makes it lose its effect. (FORMAL)
Unintelligible legislation is the ~ of the rule of law and of parliamentary democracy.
N-SING: N of n
2.
Negation is disagreement, refusal, or denial. (FORMAL)
Irena shook her head, but in bewilderment, not ~.
? affirmation
N-UNCOUNT