What does "irrevocability" mean?

The state or condition of being irrevocable.

What is a synonym for "irrevocability"?

Common synonyms include: act of god, certainty, fate, force majeure, inevitability, inflexibility.

Pronounced //iˌɹɛvəkəˈbɪləti//.

/iˌɹɛvəkəˈbɪləti/ noun

noun ·Rare ·Advanced level

Noun

1
The state or condition of being irrevocable. uncountable, usually
2
The state or condition of being impossible to retract or reverse; finality. wordnet
3
Something irrevocable. uncountable, usually

From irrevocable + -ity.