1‘she was thought of as a hard-working, humourless academic’
serious, serious-minded, solemn, earnest, sober, sombre, grave, stern, grim, dour, morose, unsmiling, stony-faced
gloomy, glum, depressed, sad, melancholy, dismal, doleful, mournful, dejected, despondent, joyless, cheerless, lugubrious, in low spirits, with a long face
boring, tedious, dull, dry, heavy-going
We take a look at several popular, though confusing, punctuation marks.