Synonyms of solemn

1 Syllable

glum, staid, ter, stern

2 Syllables

earnest, brooding, heavy, downbeat, staidest, formal, sacred, sober, grave, serious, graver, moody, broody, learned, ruber, gravest, thoughtful, weighty, somber, staider, subdued

3 Syllables

pansophic, statelier, demurer, portentous, emphatic, sedate, austere, watertight, reverent, long-faced, funereal, grim-faced, polymath, unsmiling, dignified, heightened, stately, pensive, intense

4 Syllables

reverential, reflective, ceremonious, sacramental, dirgelike, unprofane, saturnine, tenebrific, ceremonial, no-nonsense, unhumorous, professorial, philosophic, liturgical

5 Syllables

isolationist, well-educated, deliberate

6 Syllables

ceremonialistic