overbite
noun
over·bite ˈō-vər-ˌbīt 
: the projection of the upper front teeth over the lower in the normal occlusal position of the jaws compare underbite
Example Sentences
He has a severe overbite.
Recent Examples on the Web When the cups are entirely gone, the mule starts to get a noticeable overbite—buck-toothed. 
Casey Cep, The New Yorker, 28 Mar. 2022 Last September, Kim's eldest daughter, Brielle, underwent double jaw surgery to correct her temporomandibular joint (TMJ) and an overbite. Shafiq Najib, PEOPLE.com, 16 Feb. 2022 Known as Matty, Coleman had light shaggy hair and a wide smile that revealed a slight overbite — a trait inherited from his father. Kevin T. Dugan, Rolling Stone, 9 Oct. 2021 The titular character is a red ant, who in Mr. Roldán’s scratchy drawings has a bulbous body, long antennae and a comical overbite. Meghan Cox Gurdon, WSJ, 30 Apr. 2021 Her mouth comprised an overbite, protruding front teeth and two full lips. New York Times, 29 Jan. 2021 The roof plate protruded, like a slight overbite, casting shade. Dana Goodyear, The New Yorker, 5 Oct. 2020 The ocean episode is for only the truly brave, those unbothered by fish who have very humanoid overbites. Margaret Lyons, New York Times, 20 Feb. 2020 Sounds made more difficult by an overbite, such as bilabials, might be expected to decline—but many languages clearly keep them around. Michael Greshko, National Geographic, 14 Mar. 2019 See More
Casey Cep, The New Yorker, 28 Mar. 2022 Last September, Kim's eldest daughter, Brielle, underwent double jaw surgery to correct her temporomandibular joint (TMJ) and an overbite. Shafiq Najib, PEOPLE.com, 16 Feb. 2022 Known as Matty, Coleman had light shaggy hair and a wide smile that revealed a slight overbite — a trait inherited from his father. Kevin T. Dugan, Rolling Stone, 9 Oct. 2021 The titular character is a red ant, who in Mr. Roldán’s scratchy drawings has a bulbous body, long antennae and a comical overbite. Meghan Cox Gurdon, WSJ, 30 Apr. 2021 Her mouth comprised an overbite, protruding front teeth and two full lips. New York Times, 29 Jan. 2021 The roof plate protruded, like a slight overbite, casting shade. Dana Goodyear, The New Yorker, 5 Oct. 2020 The ocean episode is for only the truly brave, those unbothered by fish who have very humanoid overbites. Margaret Lyons, New York Times, 20 Feb. 2020 Sounds made more difficult by an overbite, such as bilabials, might be expected to decline—but many languages clearly keep them around. Michael Greshko, National Geographic, 14 Mar. 2019 See More Word History
First Known Use
1887, in the meaning defined above
Medical Definition
overbite
noun
over·bite ˈō-vər-ˌbīt
: the projection of the upper anterior teeth over the lower when the jaws are in the position they occupy in occlusion compare overjet, underbite