Part of speech:
The definition of decisive is having the ability to make decisions or something that determines what comes next.
(--- Theol.) So evil as to cause spiritual death; mortal
Having importance in or influence on history.
The definition of important is having great significance or consequence.
Having meaning, function, or purpose:
Highest in rank, power, or authority:
The definition of pivotal is something which is central, vital or very important.
The definition of unparalleled is something that has no equal.
Small in size or amount.
The definition of trivial is insignificant, or of no importance.
Not important; insignificant or petty.
Having little value or importance; trivial
The definition of earnest is intense and not playful, or important.
Very popular or important:
Causing great discomfort, damage, or distress:
Of great consequence; serious or momentous:
Of decisive importance; fateful:
So critically decisive as to affect the future
Having a wide range, extent, influence, or effect
Vital to the resolution of a crisis or the determination of an outcome:
Fairly large in amount or quantity:
Find another word for momentous. In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for momentous, like: serious, decisive, consequential, fateful, grave, historic, important, meaningful, paramount, pivotal and unparalleled.