The definition of a great aunt is the sister of one of your grandparents.
A species or other taxon that shares a common ancestor, usually a relatively recent ancestor, with another:
A man of the Southern U.S., variously characterized as easygoing, companionable, assertively masculine, uneducated, bigoted, violent, etc.
Find another word for aunt. In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for aunt, like: mother's sister, nunky, father's sister, aunty, uncle's wife, tante (French), auntie, grandma, TÃa (Spanish), great-aunt and Tante (German).