Synonyms and related words :
angst, anguish, anxiety, bitterness, bleakness, boredom, cheerlessness, comfortlessness, depression, discomfort, discomposure, discontent, dislike, dismalness, displeasure, disquiet, dissatisfaction, distress, distressfulness, dread, dreariness, dullness, emptiness, ennui, existential woe, flatness, grief, grievousness, grimness, humorlessness, infelicity, infestivity, inquietude, lack of pleasure, lamentability, lamentation, malaise, mirthlessness, misery, mournfulness, nausea, nongratification, nonsatisfaction, pain, painfulness, pathos, pitiability, pitiableness, pitifulness, poignancy, regrettableness, sadness, savorlessness, sharpness, sorrowfulness, spleen, staleness, tastelessness, tediousness, tedium, uncheerfulness, uncomfortableness, unease, uneasiness, unhappiness, unjoyfulness, unmirthfulness, unpleasure, unsatisfaction, vexation of spirit, woebegoneness, woefulness, wretchedness