WordReference Random House Learner's Dictionary of American English © 2026
an•te•ri•or /ænˈtɪriɚ/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- located before or at the front of(opposed to posterior ):the anterior fin of a fish.
- occurring before or earlier in time;
earlier.
an•te•ri•or
(an tēr′ē ər),USA pronunciation adj.
an•te•ri•or•i•ty
(an tēr′ē ôr′i tē, -or′-),USA pronunciation n.
an•te′ri•or•ly, adv.
- Anatomysituated before or at the front of; fore (opposed to posterior).
- going before in time or sequence;
preceding;
earlier:events anterior to the outbreak of war. - Phonetics, Linguistics[Ling.](in distinctive feature analysis) articulated in the region extending from the alveolar ridge to the lips;
alveolar, dental, or labial. - Anatomy(in animals and embryos) pertaining to or toward the head or forward end of the body.
- Anatomy(in humans) pertaining to or toward the front plane of the body, equivalent to the ventral surface of quadrupeds.
- Plant Biology[Bot.]on the front side and away from the main axis, as the lower lip of a flower.
- Latin, comparative of ante before, formed on model of posterior
- 1535–45
'anteriority' also found in these entries (note: many are not synonyms or translations):