noun Dentistry.

occlusion in which the lower incisor teeth overlap the upper.

Origin of underbite

First recorded in 1975–80; under- + bite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underbite

Contemporary Examples of underbite

Historical Examples of underbite

  • It is better to overbite your darks, and underbite your lights, if you vary any.


    Henry R. Blaney

underbite in Medicine




Malocclusion in which the lower teeth overlap the upper teeth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.