Antonyms of noun aunt

1 sense of aunt

Sense 1
aunt, auntie, aunty -- (the sister of your father or mother; the wife of your uncle)
       Antonym of uncle (Sense 1)
      => uncle -- (the brother of your father or mother; the husband of your aunt)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun aunt

1 sense of aunt

Sense 1
aunt, auntie, aunty -- (the sister of your father or mother; the wife of your uncle)
       => kinswoman -- (a female relative)