brooding broody chapfallen crestfallen decorous demure dumpish earnest formal frowning glum grave grim grim-faced grim-visaged grum heavy heavyhearted laden with sorrow moodish moody mopey moping mopish morose mumpish oppressed sad sad of heart sad-eyed sad-faced saddened sadhearted sedate serious sober sober-minded sobersided solemn somber staid stone-faced straight-faced sulky sullen thoughtful unsmiling weighed upon weighted down weighty