A kiss is the touch or pressing of one's lips against another person or an object. Cultural connotations of kissing vary widely. Depending on the culture and context, a kiss can express sentiments of

love Love encompasses a range of strong and positive emotional and mental states, from the most sublime virtue or good habit, the deepest Interpersonal relationship, interpersonal affection, to the simplest pleasure. An example of this range of ...

, passion, romance,

sexual attraction Sexual attraction is attraction on the basis of sexual desire or the quality of arousing such interest. Sexual attractiveness or sex appeal is an individual's ability to attract other people sexually, and is a factor in sexual selection or ma ...

sexual activity Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality. People engage in a variety of sexual acts, ranging from activities done alone (e.g., masturbation) ...

, sexual arousal, affection,

respect Respect, also called esteem, is a positive feeling or action shown towards someone or something considered important or held in high esteem or regard. It conveys a sense of admiration for good or valuable qualities. It is also the process of ...

greeting Greeting is an act of communication in which human beings intentionally make their presence known to each other, to show attention to, and to suggest a type of relationship (usually cordial) or social status (formal or informal) between indivi ...

friendship Friendship is a relationship of mutual affection between people. It is a stronger form of interpersonal bond than an "acquaintance" or an "association", such as a classmate, neighbor, coworker, or colleague. In some cultures, the concept of ...

peace Peace is a concept of societal friendship and harmony in the absence of hostility and violence. In a social sense, peace is commonly used to mean a lack of conflict (such as war) and freedom from fear of violence between individuals or groups. ...

, and good luck, among many others. In some situations, a kiss is a ritual, formal or symbolic gesture indicating devotion, respect, or a sacramental. The word came from Old English '' cyssan'' (" to kiss"), in turn from '' coss '' ("a kiss").

History

Anthropologists An anthropologist is a person engaged in the practice of anthropology. Anthropology is the study of aspects of humans within past and present societies. Social anthropology, cultural anthropology and philosophical anthropology study the norms and ...

disagree on whether kissing is an instinctual or

learned Learning is the process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences. The ability to learn is possessed by humans, animals, and some machines; there is also evidence for some kind of ...

behaviour. Those that believe kissing to be an instinctual behaviour, cite similar behaviours in other animals such as bonobos, which are known to kiss after fighting - possibly to restore peace. Others believe that it is a learned behaviour, having evolved from activities such as

suckling Breastfeeding, or nursing, is the process by which human breast milk is fed to a child. Breast milk may be from the breast, or may be expressed by hand or pumped and fed to the infant. The World Health Organization (WHO) recommends that brea ...

or premastication in early human cultures passed on to modern humans. Another theory posits that the practice originated in males during the

paleolithic era The Paleolithic or Palaeolithic (), also called the Old Stone Age (from Greek: παλαιός '' palaios'', "old" and λίθος ''lithos'', "stone"), is a period in human prehistory that is distinguished by the original development of stone to ...

tasting the saliva of females to test their health in order to determine whether they would make a good partner for procreation. The fact that not all human cultures kiss is used as an argument against kissing being an instinctual behaviour in humans; only around 90% of the human population is believed to practice kissing. The earliest reference to kissing-like behavior comes from the

Vedas upright=1.2, The Vedas are ancient Sanskrit texts of Hinduism. Above: A page from the '' Atharvaveda''. The Vedas (, , ) are a large body of religious texts originating in ancient India. Composed in Vedic Sanskrit, the texts constitute th ...

, Sanskrit scriptures that informed

Hinduism Hinduism () is an Indian religion or ''dharma'', a religious and universal order or way of life by which followers abide. As a religion, it is the world's third-largest, with over 1.2–1.35 billion followers, or 15–16% of the global po ...

Buddhism Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and ...

, and

Jainism Jainism ( ), also known as Jain Dharma, is an Indian religion. Jainism traces its spiritual ideas and history through the succession of twenty-four tirthankaras (supreme preachers of ''Dharma''), with the first in the current time cycle being ...

, around 3,500 years ago, according to Vaughn Bryant, an anthropologist at Texas A&M University who specializes in the history of the kiss. Both lip and tongue kissing are mentioned in Sumerian poetry: Kissing is described in the surviving ancient Egyptian love poetry from the

New Kingdom New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator ...

, found on

papyri Papyrus ( ) is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, ''Cyperus papyrus'', a wetland sedge. ''Papyrus'' (plural: ''papyri'') can also refer to a d ...

excavated at

Deir el-Medina Deir el-Medina ( arz, دير المدينة), or Dayr al-Madīnah, is an ancient Egyptian workmen's village which was home to the artisans who worked on the tombs in the Valley of the Kings during the 18th to 20th Dynasties of the New Kingdom of ...

: The earliest reference to kissing in the

Old Testament The Old Testament (often abbreviated OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible or Tanakh, a collection of ancient religious Hebrew writings by the Israelites. The ...

is in , when

Jacob Jacob (; ; ar, يَعْقُوب, Yaʿqūb; gr, Ἰακώβ, Iakṓb), later given the name Israel, is regarded as a patriarch of the Israelites and is an important figure in Abrahamic religions, such as Judaism, Christianity, and Islam ...

deceives his father to obtain his blessing: features the first man-woman kiss in the

Bible The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts o ...

, when Jacob flees from

Esau Esau ''Ēsaû''; la, Hesau, Esau; ar, عِيسَوْ ''‘Īsaw''; meaning "hairy"Easton, M. ''Illustrated Bible Dictionary'', (, , 2006, p. 236 or "rough".Mandel, D. ''The Ultimate Who's Who in the Bible'', (.), 2007, p. 175 is the elder son o ...

and goes to the house of his uncle Laban: Much later, there is the oft-quoted verse from : In ''

Cyropaedia The ''Cyropaedia'', sometimes spelled ''Cyropedia'', is a partly fictional biography of Cyrus the Great, the founder of Persia's Achaemenid Empire. It was written around 370 BC by Xenophon, the Athenian-born soldier, historian, and student of So ...

'' (370 BC),

Xenophon Xenophon of Athens (; grc, Ξενοφῶν ; – probably 355 or 354 BC) was a Greek military leader, philosopher, and historian, born in Athens. At the age of 30, Xenophon was elected commander of one of the biggest Greek mercenary armies of ...

wrote about the Persian custom of kissing in the lips upon departure while narrating the departure of

Cyrus the Great Cyrus II of Persia (; peo, 𐎤𐎢𐎽𐎢𐏁 ), commonly known as Cyrus the Great, was the founder of the Achaemenid Empire, the first Persian empire. Schmitt Achaemenid dynasty (i. The clan and dynasty) Under his rule, the empire embraced ...

(c. 600 BC) as a boy from his Median kinsmen. According to

Herodotus Herodotus ( ; grc, , }; BC) was an ancient Greek historian and geographer from the Greek city of Halicarnassus, part of the Persian Empire (now Bodrum, Turkey) and a later citizen of Thurii in modern Calabria ( Italy). He is known for ...

(5th century BC), when two Persians meet, the greeting formula expresses their equal or inequal status. They do not speak; rather, equals kiss each other on the mouth, and in the case where one is a little inferior to the other, the kiss is given on the cheek. During the later Classical period, affectionate mouth-to-mouth kissing was first described in the Hindu epic the ''

Mahabharata The ''Mahābhārata'' ( ; sa, महाभारतम्, ', ) is one of the two major Sanskrit epics of ancient India in Hinduism, the other being the '' Rāmāyaṇa''. It narrates the struggle between two groups of cousins in the K ...

''. Anthropologist Vaughn Bryant argues kissing spread from India to Europe after

Alexander the Great Alexander III of Macedon ( grc, Ἀλέξανδρος, Alexandros; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great, was a king of the ancient Greek kingdom of Macedon. He succeeded his father Philip II to ...

conquered parts of Punjab in northern India in 326 BCE. The Romans were passionate about kissing and talked about several types of kissing. Kissing the hand or cheek was called an . Kissing on the lips with mouth closed was called a , which was used between relatives. A kiss of passion was called a .Jones, Terry "The Ancient World According to Terry Jones (Love and Sex)" (1998) Kissing was not always an indication of ''eros'', or love, but also could show respect and rank as it was used in

Medieval Europe In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...

. The study of kissing started sometime in the nineteenth century and is called philematology, which has been studied by people including Cesare Lombroso, Ernest Crawley,

Charles Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English natural history#Before 1900, naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all speci ...

Edward Burnett Tylor Sir Edward Burnett Tylor (2 October 18322 January 1917) was an English anthropologist, and professor of anthropology. Tylor's ideas typify 19th-century cultural evolutionism. In his works '' Primitive Culture'' (1871) and ''Anthropology'' ...

and modern scholars such as Elaine Hatfield."The science of kissing"
''CNN'', Feb. 14, 2012"Chemical attraction: The science of kissing"
, ''Medill Reports'', Feb. 14, 2009

Types

Kristoffer Nyrop identified a number of types of kisses, including kisses of love, affection, peace, respect, and friendship. He notes, however, that the categories are somewhat contrived and overlapping, and some cultures have more kinds, including the French with twenty and the Germans with thirty.Nyrop, Kristoffer. ''The Kiss and its History'', Sands & Co., London (1901) Read full text

Expression of affection

Kissing another person's lips has become a common expression of affection or warm greeting in many cultures worldwide. Yet in certain cultures, kissing was introduced only through European settlement, before which it was not a routine occurrence. Such cultures include certain indigenous peoples of Australia, the Tahitians, and many tribes in Africa.Dyer, Tristeleton T.F. "The History of Kissing", ''The American Magazine'', vol. 14 1882, pp. 611–614 A kiss can also be used to express feelings without an erotic element but can be nonetheless "far deeper and more lasting", writes Nyrop. He adds that such kisses can be expressive of love "in the widest and most comprehensive meaning of the word, bringing a message of loyal affection, gratitude, compassion, sympathy, intense joy, and profound sorrow." Nyrop writ