Malocclusion

//ˌmæləˈkluːʒən// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A misalignment of the upper and lower sets of teeth. countable, uncountable
  2. 2
    (dentistry) a condition in which the opposing teeth do not mesh normally wordnet

Etymology

First attested in 1888. Formed as mal- (“wrong”, “improper(ly)”: ultimately from the Classical Latin male, “badly”, “wrongly”; from malus, “bad”; compare the ben- element in benocclusion) + occlusion (“alignment of the teeth in closed jaws”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.