Avoidance speech

Lore & Background

In Australian Aboriginal languages, avoidance speech is closely tied to elaborate tribal kinship systems. Typically, there is an avoidance relationship between a man and his mother-in-law, between a woman and her father-in-law, and sometimes between any person and their same-sex parent-in-law. These styles are often called mother-in-law languages, though they are separate lexical sets with the same grammar and phonology. For example, in Dyirbal the avoidance style has one word for all lizards, while the everyday style differentiates many varieties. Behavior varies: among the Dyirbal, a man and his mother-in-law may not make eye contact or directly speak, while among the Umpila, they may not speak at all in each other's presence.

Reader's Guide

Avoidance speech illustrates how language can encode social hierarchies and kinship obligations. In Highland East Cushitic languages like Kambaata and Sidamo, the ballishsha system requires married women to avoid words beginning with the same syllable as the names of their parents-in-law, using paraphrase or borrowings instead. In Southern Bantu languages, ukuhlonipha involves married women avoiding the names of senior male relatives and any words with the same root, substituting sounds or synonyms. These practices are not merely linguistic but involve physical avoidance and respectful behaviors. Children acquire these forms as part of normal language development, learning with whom to use them at a young age. The phenomenon shows how language can be adapted to maintain social distance and respect, and it persists in various forms across continents.

Did You Know?

• In Dyirbal, the avoidance style has one word, jijan, for all lizards, while the everyday style differentiates many varieties.
• In Guugu Yimidhirr, the avoidance speech verb bali-l 'travel' covers several everyday verbs meaning 'go', 'walk', 'crawl', 'paddle', 'float, sail, drift', and 'limp along'.
• Among the Umpila, a man and his mother-in-law may not speak at all in each other's presence.
• In Kambaata and Sidamo, women practicing ballishsha do not pronounce any words beginning with the same syllable as the name of their husband's mother or father.

Linguistic Architecture of Restricted Styles

Avoidance speech operates within a fascinating structural framework. Rather than constituting entirely separate languages, these restricted styles share the same phonological and grammatical foundations as the standard variety they belong to. What distinguishes them is their lexicon, which is typically more limited in scope because the styles serve only narrow communicative purposes. A striking structural feature is the one-to-many correspondence between avoidance and everyday vocabulary: a single restricted term can encompass multiple standard words. In Dyirbal, for instance, the avoidance word jijan covers every kind of lizard, whereas the everyday register distinguishes numerous varieties. Similarly, in Guugu Yimidhirr, one avoidance verb for travel subsumes everyday terms meaning go, walk, crawl, paddle, float, sail, drift, and limp along. These avoidance forms are generally not etymologically connected to their everyday counterparts, and they tend to be longer in form. The result is a parallel but deliberately compressed vocabulary layer embedded within a fully functional language system, where grammar remains unchanged but word choice is carefully constrained by social obligation.

Kinship, Taboo, and Behavioral Codes in Aboriginal Australia

In Australian Aboriginal cultures, avoidance speech is deeply intertwined with complex tribal kinship systems that designate certain relatives as taboo. The specific relationships subject to avoidance vary by tribe in both strictness and scope. Commonly, a man must observe avoidance toward his mother-in-law, a woman toward her father-in-law, and sometimes any person toward a same-sex parent-in-law. Some tribes extend these obligations further, such as Warlpiri including the mother-in-law's brother or Dyirbal encompassing cross-cousins. Importantly, all these relations are classificatory, meaning the mother-in-law category can include far more individuals than just a man's wife's biological mother. Behavioral expectations range widely: Dyirbal men and their mothers-in-law may not make eye contact, face each other, or speak directly, instead addressing a third person or even a nearby object. For less severe relationships, such as a man with his father-in-law, the avoidance style is spoken in a slow, soft voice. The Umpila represent an extreme case, where a man and his mother-in-law may not speak at all in each other's presence.

African Avoidance Systems and Linguistic Substitution

Across parts of Africa, avoidance speech manifests in distinct cultural and linguistic forms. In the Highland East Cushitic languages of southwestern Ethiopia, particularly Kambaata and Sidamo, married women observe a system called ballishsha that combines physical and linguistic avoidance of their parents-in-law. Under this practice, a woman refrains from pronouncing any word that begins with the same syllable as her husband's mother's or father's name. To compensate, she employs paraphrase, synonyms, semantically similar terms, antonyms, or even borrowings from other languages. In southern Africa, the Nguni Bantu languages—Zulu, Xhosa, and Swazi—along with Sotho, maintain a tradition called ukuhlonipha. This system, most strongly associated with married women and their senior male relatives, prohibits uttering the names of certain men or any words sharing the same root. Speakers navigate around these taboos through phonological substitution of sounds or lexical replacement with synonyms. The ukuhlonipha framework also extends to physical avoidance behaviors and the avoidance of certain relatives' names by all speakers, embedding respect into both linguistic and bodily practice.

Transmission, Expansion, and Broader Cultural Parallels

Avoidance speech is not merely a static rule set but a living practice passed through generations. In Australian Aboriginal communities, children acquire avoidance forms as part of ordinary language development, learning at a fairly young age which relatives require which restricted style. Beyond everyday avoidance, some of these cultures maintain an additional register known as a secret or mystic language, taught to boys during initiation rituals and used exclusively among men. The principle of linguistic avoidance extends far beyond these regions. Chinese naming taboo, for example, prohibits speaking or writing syllables and characters that appear in the names of emperors, parents, and ancestors. Related phenomena appear in diverse contexts: the written and spoken avoidance practices of American gangs, the etymological avoidance surrounding the word bear, the Australian ritual language Damin, and even fictional constructs like the Pequeninos from the Ender's Game trilogy, whose males and females avoid most direct communication. These parallels suggest that the impulse to restrict speech around certain people or concepts is a remarkably widespread human tendency, manifesting through euphemism, honorifics, minced oaths, and noa-names across cultures.