1) Acts depressed 2) Acts despondent 3) Acts dispirited 4) Acts gloomily 5) Acts gloomy 6) Acts glum 7) Acts hangdog 8) Acts like Debbie Downer 9) Acts moody 10) Behaves in a sulky manner 11) Broods 12) Broods morosely 13) Dispirited types 14) Dumps 15) Gloomy sorts 16) Has a long face 17) Has the blues 1) Acts sad 2) Broods 3) Dumps 4) Pouts 5) Sulks