underbite

noun
un·​der·​bite | \ ˈən-dər-ˌbīt How to pronounce underbite (audio) \
plural underbites

Definition of underbite

: malocclusion in which the lower jaw and front teeth project beyond the upper front teeth : prognathism involving the lower jaw Three years ago, Jack, a small Chihuahua mix with an endearing underbite and a lust for attention, was dropped off at the Haven Animal Care Shelter.— Natalie Gross … had braces to straighten his own teeth and surgery to correct a severe underbite, ….— Jean P. Fisher — compare overbite

First Known Use of underbite

1887, in the meaning defined above

Keep scrolling for more

Learn More about underbite

Time Traveler for underbite

Time Traveler

The first known use of underbite was in 1887

See more words from the same year

Statistics for underbite

Cite this Entry

“Underbite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underbite. Accessed 20 Oct. 2020.

Keep scrolling for more

More Definitions for underbite

underbite

noun
un·​der·​bite | \ ˈən-dər-ˌbīt How to pronounce underbite (audio) \

Medical Definition of underbite

: malocclusion in which the lower jaw and front teeth project beyond the upper front teeth : prognathism involving the lower jaw … had braces to straighten his own teeth and surgery to correct a severe underbite, as well as whitening.— Jean P. Fisher — compare overbite

Comments on underbite

What made you want to look up underbite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!