Synonyms of grave

1 Syllable
ter, death, vault, hell, tomb, bier, biers, crypt, pit, staid, etch
2 Syllables
heinous, moulding, rough-hew, insculpt, staider, staidest, graving, carving, hell-fire, dinning, solemn, pointful, hearse, diaper, somber, mortal, etched, grievous, serious, diapers, boneyard, learned, subdued, moulded, shrine
3 Syllables
important, high-power, diapering, long-faced, full-toned, low-toned, funereal, onerous, unsmiling, sobering, undercroft, death-dealing, austere, severest, hellfire, polymath, severer, mausoleum, momentous, heightened, sepulchral, pansophic, sedate, enchase, heart-rending, polyandrium, museful, enchased, dignified, mausoleums, pensive, diapered, engraven
4 Syllables
saturnine, unhumorous, unamusing, professorial, overtaxing, philosophic, lithographing, dirgelike, cemeteries, iron-handed, major-league, baritone, cemetery, consequential, no-nonsense, enshrinement, venerable
5 Syllables
well-educated, fire-and-brimstone, ruminative, applicative