1) Boredom 2) Depressed state 3) Depression 4) Derogatory comments 5) Doldrums 6) Doldrums kin 7) Down mood 8) Emotional doldrums 9) Ennui 10) Feeling of dissatisfaction 11) Lets off hot air 12) Monday miasma 13) Play boy 14) Punk feeling 15) Tedium 16) Winter ennui Found on https://www.crosswordclues.com/clue/blahs