MOMENTOUS /məʊˈmɛn.təs/ ► audio Scrabble 13 Words With Friends 17 Scrabble letter values: M3O1M3E1N1T1O1U1S1 = 13 Definition adjective of very great significance. Examples “deciding to drop the atom bomb was a very big decision”“a momentous event” See all 190 words you can make from MOMENTOUS → 9-letter words Words starting with M Words ending with S ← Unscramble different letters