Synonyms of ghastlier

1 Syllable
faint, wan, grim, dim, weak
2 Syllables
ghoulish, grisly, horrid, ashen, bloodless, pallid, haggard, frightful, lurid, livid, awful, hideous, shocking, spectral, ghostly
3 Syllables
loathsome, anemic, abhorrent, gruesome, uncanny, terrible, wraithlike, frightening, terrifying, appalling, macabre, horrible, funereal, mortuary, sickening, unpleasant, horrendous, unearthly, deathlike, disgusting, repellent, sepulchral, nauseating
4 Syllables
corpselike, repulsive, cadaverous, offensive, unnatural
5 Syllables
supernatural