Butt vs Rear

When to use each in English, with meaning, register, and examples.

Butt

InformalTop 2,000 (common)

Rear

Top 2,000 (common)C1adjective
Most formal: Rear
 ButtRear
Pronunciation🇬🇧 //bʌt//🇺🇸 //bʌt//🇬🇧 /["/rɪə(r)/"]/🇺🇸 /["/rɪr/"]/
MeaningThe rounded part of a person's body where they sit.The back part of something or the back side.
ExampleShe fell and landed right on her butt.front and rear windows
RegisterInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-C1
Part of speechadjective
Collocationsbig butt, flat butt, booty butt, cute buttrear view, rear end, rear section, rear window, rear guard
Antonymsfront, headfront, beginning, lead
Common mistakesConfused with 'behind' or 'bottom', Using in formal writing, Not using figurative meaningsConfused with 'rare' in pronunciation., Used incorrectly as a verb instead of a noun., Misplaced in phrases where 'back' would be more natural.
Usage notesUsed mostly in casual conversations. Avoid in formal contexts. Can also refer to the end of something, like a cigarette.Use 'rear' when referring to the back part of an object or person. It is neutral and commonly used in both casual and formal contexts. Avoid using it in very informal speech where simpler terms like 'back' may be preferred.

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Butt
Rear

Frequently asked questions: Butt vs Rear

What's the difference between Butt and Rear?

Butt: The rounded part of a person's body where they sit. Rear: The back part of something or the back side.

Which is more formal: Butt and Rear?

Rear is the most formal of these.

Can you show an example of each?

Butt: She fell and landed right on her butt. Rear: front and rear windows

Can I use Butt and Rear interchangeably?

Not always. Butt and Rear are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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