underbite

/ˈʌndərˌbaɪt/
noun
  1. A dental condition where the lower teeth extend farther forward than the upper teeth when the mouth is closed.
    • He was self-conscious about his underbite and avoided smiling in photos.
    • Many dogs, like bulldogs, naturally have an underbite.
    • The orthodontist said her underbite could be corrected with braces.
Antonyms
What does "underbite" mean? | whatsthatwordmean | whatsthatwordmean