Synonyms for momentous

Synonyms for (adj) momentous

Synonyms: momentous

Definition: of very great significance

Usage: deciding to drop the atom bomb was a very big decision; a momentous event

Similar words: important, significant

Definition: important in effect or meaning

Usage: a significant change in tax laws; a significant change in the Constitution; a significant contribution; significant details; statistically significant

Visual thesaurus for momentous