soul-destroying Synonyms

unrelieved trying tiresome tiring tired tedious stodgy stale spiritless soulless routine repetitive vanilla wearisome unexciting unvaried plain vanilla unvarying mind-numbing uninspiring colourless uneventful tiresomely banausic uninteresting repetitious quotidian prosaic frustrating flat featureless dreary deadly crushing commonplace colorless characterless boring bland heartbreaking humdrum pedestrian passionless ordinary normal mundane monotonous mechanical lifeless lacklustre