Synonyms and related words :
acedia, aloofness, angst, anguish, anxiety, apathy, ataraxia, ataraxy, benumbedness, blah, blue devils, blues, boredom, cheerlessness, comatoseness, detachment, discomfort, discomposure, discontent, disinterest, dislike, dismals, dispassion, displeasure, disquiet, dissatisfaction, doldrums, dolefuls, dread, dullness, dumps, emptiness, ennui, existential woe, flatness, grimness, heartlessness, hebetude, hopelessness, inappetence, indifference, inquietude, insouciance, joylessness, lack of appetite, lack of pleasure, languidness, lethargicalness, lethargy, listlessness, malaise, megrims, mopes, mulligrubs, mumps, nausea, nonchalance, nongratification, nonsatisfaction, numbness, painfulness, passiveness, passivity, phlegm, phlegmaticalness, phlegmaticness, plucklessness, resignation, resignedness, savorlessness, sloth, sluggishness, sopor, soporifousness, spiritlessness, spleen, spunklessness, staleness, stupefaction, stupor, sulks, supineness, tastelessness, tediousness, tedium, torpidity, torpidness, torpor, uncomfortableness, unconcern, unease, uneasiness, unhappiness, unpleasure, unsatisfaction, vexation of spirit, withdrawnness