Synonyms of staid

1 Syllable
cool, calm, quiet, val
2 Syllables
earnest, solemn, formal, stodgy, sober, grave, stuffy, serious, graver, starchy, hard-shell, gravest, stodgier, settled, weighty, somber, steady
3 Syllables
demurer, sedate, decorous, collected, demure, long-faced, unsmiling, grim-faced, dignified, humorless, composed, confirmed
4 Syllables
self-restrained, unpassioned, no-nonsense, unhumorous
5 Syllables
irradicable
6 Syllables
ineradicable