Synonyms of long-faced

1 Syllable

set, staid, bound, stern, grim

2 Syllables

earnest, downbeat, solemn, sober, grave, honest, serious, let-down, graver, intent, thoughtful, gravest, weighty, deadpan, steady

3 Syllables

unhappier, resolved, sedate, unhappiest, austere, severe, funereal, sincere, unsmiling, grim-faced, unhappy, pensive, genuine, chapfallen

4 Syllables

down-in-the-mouth, woebegone, reflective, resolute, no-nonsense, pokerfaced, unhumorous, determined

5 Syllables

businesslike, contemplative, meditative, deliberate