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posterior

When used as an adjective, "posterior" is often found in medical, scientific, or formal contexts to describe location. In everyday conversation, people usually prefer words like "back" or "rear." When used as a noun to refer to the buttocks, it is a polite or slightly humorous way of speaking. It is less blunt than some slang terms but more formal than others.

💬Casual Conversation

🎬Tuesday afternoon, Eleanor is texting David while he is in a corporate meeting.
Eleanor Smith

DAVID YOU FELL OFF THE CHAIR IN THAT OLD PHOTO. YOUR POSTERIOR LOOKS HUGE.

Eleanor Smith
David Smith
David Smith

Mom please stop. I'm trying to circle back with my team right now.

💡
Eleanor uses 'posterior' as a formal yet blunt way to describe David's rear end in an old photograph, while David responds using the corporate buzzword 'circle back', reflecting his persona as a manager who overuses business jargon.

Meanings

adjective

Further back in position of, or preceding in order of time.

"The posterior part of the skull protects the cerebellum."

noun

The buttocks; the rear end of the body.

"He accidentally sat on his posterior after slipping on the ice."

Last Updated: May 22, 2026Report an Error