momentous synonyms

Here's a list of possible synonyms and antonyms for the term momentous:

Princeton's WordNet

  1. momentousadjective

    of very great significance

    unimportant, insignificant

Dictionary of English Synonymes

  1. momentousadjective

    important, weighty, significant, grave, serious, of importance, of great consequence

PPDB, the paraphrase database

List of paraphrases:

memorable, transcendental, far-reaching, transcendent, important, significant