Synonyms for Dreary (same or very similar meaning)
WordNet sense 1 (lacking in liveliness or charm or surprise):
drabWordNet sense 2 (lacking in liveliness or animation):
dullWordNet sense 3 (causing dejection):
blue, dark, depressing, dingy, disconsolate, dismal, drear, gloomy, grim, sorry, dispiriting, dingyWordNet sense 4 (lacking cheer; depressing):
cheerless, uncheerfulFrom the ODE community, based on WordNetadd/edit