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adj Uncommon

posterior

pos-TEER-ree-uh

Posterior (adj) means Located at or nearer the back of something, especially the body. Example: “The posterior part of the skull protects the brain stem.”

adj
1
Located at or nearer the back of something, especially the body.
"The posterior part of the skull protects the brain stem."
"A posterior fin helps the fish steer while swimming."
noun
1
(informal) The buttocks.
"He landed hard on his posterior after slipping on the ice."
2
(statistics) In Bayesian analysis, the updated probability of something being true after taking new evidence into account.
"The model combined the prior with new data to calculate the posterior."

How to use posterior

Learner’s notes

In plain EnglishToward the back or rear — of the body, an object, or (in statistics) a revised probability.

Common mistake

The opposite is anterior (toward the front), not 'prior' — prior relates to time, not position.

Easily confused with

Word forms

more posterior comparative, posteriors plural, most posterior superlative

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Test yourself on “posterior” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The _____ part of the skull protects the brain stem.

Etymology

From Latin posterior, meaning 'that which comes after or behind,' the comparative form of posterus ('following').

Origin: Latin

Related words

Rhymes for posterior

See all rhymes for posterior →

Frequently asked questions

What does “posterior” mean?

The word “posterior” means located at or nearer the back of something, especially the body. In plain terms, toward the back or rear — of the body, an object, or (in statistics) a revised probability.

How do you pronounce “posterior”?

“Posterior” is pronounced pos-TEER-ree-uh (/poʊˈstɪɹ.i.ɚ/ in IPA).

How do you use “posterior” in a sentence?

Here is “posterior” used in a sentence: “The posterior part of the skull protects the brain stem.”

What part of speech is “posterior”?

Depending on how it is used, “posterior” can be an adjective and a noun.

Where does the word “posterior” come from?

The word “posterior” comes from Latin. From Latin posterior, meaning 'that which comes after or behind,' the comparative form of posterus ('following').

Is “posterior” a common word?

“Posterior” is an uncommon word in modern English.

How many meanings does “posterior” have?

“Posterior” has 3 distinct senses listed in this dictionary. The most common is: located at or nearer the back of something, especially the body.

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Definitions: FreeDict original editorial