‘阿姨’ (ā yí) is a respectful yet familiar term for an adult woman, typically used to address or refer to one’s mother’s female friends, a family friend, or a childcare provider such as a nanny or babysitter. It literally combines ‘阿’ (ā), a common prefix used before names or kinship terms to express familiarity or affection, and ‘姨’ (yí), which means ‘maternal aunt’—the sister of one’s mother. Though it can technically refer to a biological maternal aunt, in everyday speech it’s more frequently used as a polite, warm title for unrelated older women in caregiving or supportive roles.

This term reflects Chinese cultural norms of respect for elders and the importance of relational harmony. It avoids overly formal titles like ‘女士’ (lǎoshì, ‘Ms.’) while still showing courtesy. Children often use ‘阿姨’ spontaneously when speaking to kind, middle-aged women, and adults may use it to acknowledge a domestic helper or neighbor with goodwill and light familiarity.