 Depending on the culture and context, a kiss can express sentiments of love, passion, romance, sexual attraction, sexual activity, sexual arousal, affection, respect, greeting, friendship, peace, and good luck, among many others.In some situations, a kiss is a ritual, formal or symbolic gesture indicating devotion, respect, or sacrament.The word came from Old English "cyssan" ("to kiss"), in turn from "coss " ("a kiss").