Flatness1. (n.) The quality or state of being flat.
2. (n.) Evenness of surface; want of relief or prominence; the state of being plane or level.
3. (n.) Want of vivacity or spirit; prostration; dejection; depression.
4. (n.) Want of variety or flavor; dullness; insipidity.
5. (n.) Depression of tone; the state of being below the true pitch; -- opposed to sharpness or acuteness.
Thesaurus Entries
agitation, all-overs, anguish, anxiety, anxiety hysteria, anxiety neurosis, anxious bench, anxious concern, anxious seat, anxiousness, apprehension, apprehensiveness, boredom, cankerworm of care, care, cheerlessness, concern, concernment, discomfort, discomposure, discontent, dislike, displeasure, disquiet, disquietude, dissatisfaction, distress, disturbance, dread, dullness, emptiness, ennui, existential woe, fear, flatness, foreboding, forebodingness, grimness, inquietude, joylessness, lack of pleasure, malaise, misgiving, nausea, nervous strain, nervous tension, nervousness, nongratification, nonsatisfaction, overanxiety, painfulness, perturbation, pins and needles, pucker, savorlessness, solicitude, spleen, staleness, stew, strain, suspense, tastelessness, tediousness, tedium, tension, trouble, uncomfortableness, unease, uneasiness, unhappiness, unpleasure, unquietness, unsatisfaction, upset, vexation, vexation of spirit, zeal