Definition of underbite in English:

underbite

noun

  • (in nontechnical use) the projection of the lower teeth beyond the upper.

    • ‘He had expected them to be bats, but they were small goblins, with pointy, bat like ears, a pronounced underbite with sharp teeth protruding, and long, spindly arms with long fingered hands punctuated by dagger like nails.’
    • ‘I can't stand his strained voice. I can't stand his underbite and the way he grimaces when he sings.’
    • ‘With respect to a patient with a severe underbite, first and foremost, one should visit an orthodontist.’
    • ‘There are a few different ways for the teeth to be ‘out of alignment’, including overbite and underbite.’
    • ‘Another problem is an overbite (upper jaw hangs over the lower jaw) or underbite (lower jaw is larger than the upper jaw).’
    • ‘How can you tell you've got a serious underbite?’
    • ‘‘I may see patients who need their jaws removed, jaw surgery for overbites and underbites, surgery on skeletal deformations, trauma patients that have suffered fractures and lacerations,’ Baker says.’
    • ‘Problems might include an overbite, underbite, missing teeth, crooked teeth, or misplaced teeth.’
    • ‘Most orthodontists feel that crossbites and underbites (much less common than overbites and crowding in children) might be easier to correct if addressed early, but the research is not yet in on this.’

Pronunciation:

underbite

/ˈəndərˌbīt/