English Reference
noun · verb

arse

n. · v.
US /ˈɑɹs/ UK /ˈɑːs/ ar·se

  1. 01 C1 Advanced British EnglishSlangVulgar

    n.a person who is very annoying, stupid, or mean.

    n.a derogatory term for a person perceived as stupid, arrogant, or contemptible.

    Simple

    Don't be such an arse and just help me with these bags.

    In context

    He made a complete arse of himself by shouting at the waiter in front of the entire restaurant.

  2. 02 C1 Advanced British EnglishSlangInformal

    v.to waste time or behave in a silly way.

    v.to behave in a foolish or irresponsible manner; almost always used with 'about' or 'around'.

    Simple

    Stop arsing about and finish your homework before dinner.

    In context

    The team spent the whole afternoon arsing around instead of preparing the presentation for the morning meeting.

    Usage

    Usually appears as the phrasal verb 'arse about' or 'arse around'.

    mess aroundfool around

I suppose if I were Today’s editor, the phrase “pain in the arse” might come to mind.

The Guardian· 11 Jul 2026

From Middle English ars, ers, from Old English ærs, ears, from Proto-West Germanic ars, from Proto-Germanic arsaz (compare Dutch aars and German Arsch), from Proto-Indo-European *h₁órsos (“backside, buttocks”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin ine-pro *h₁órsos
Level C1 · Advanced
Frequency Frequent
Updated