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Added 9 October 2026

posterior

/pɒsˈtɪə.ɹi.ə/ adjective

Latin root: posterior Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about posterior at Wordnik → Where our words come from →

Nearer the rear or hind end; nearer the caudal end of the body in quadrupeds or the dorsal end in bipeds.
Relating to or denoting presentation of a fetus in which the rear or caudal end is nearest the cervix and emerges first at birth.
Next to, or facing the main stem or axis.

noun

The posterior portions of the human body; especially, the buttocks.
The probability that a hypothesis is true (calculated by Bayes' theorem).

Origin

Borrowed from Latin posterior (“that comes or follows after; later, latter”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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