Apathy is a lack or suppression of emotions such as concern, excitement, motivation and passion. The word is derived from Greek a- (without) + pathos (emotion). Other words often pass as synonyms, or are considered at least similar, such as: detachment, disinterest, disregard, doldrums, impassiveness, indifference, insensibility, lassitude, lethargy, listlessness, nonchalance, torpor, and others.