We found 10 dictionaries that define the word pain in the arse:

General (3 matching dictionaries)

1. pain in the arse: Collins English Dictionary
2. pain in the arse: Wiktionary
3. pain in the arse: TheFreeDictionary.com

Business (1 matching dictionary)

4. pain in the arse: Legal dictionary

Computing (1 matching dictionary)

5. pain in the arse: Encyclopedia

Medicine (1 matching dictionary)

6. pain in the arse: Medical dictionary

Miscellaneous (1 matching dictionary)

7. pain in the arse: Idioms

Slang (3 matching dictionaries)

8. pain in the arse: Green’s Dictionary of Slang
9. pain in the arse: English slang and colloquialisms used in the United Kingdom
10. pain in the arse: Urban Dictionary

Definitions from Wiktionary (pain in the arse) ▸ noun:  (UK, Ireland, Commonwealth, sometimes considered, vulgar) Someone or something that is annoying or frustrating. Similar: pain in the bum, pain in one's arse, pain in the butt, pain in the rear, pain in the backside, thorn in someone's side, fart-arse, bugger, clever arse, problem child, more... Opposite: pleasure, delight, joy, bliss, happiness ▸ Words similar to pain in the arse ▸ Usage examples for pain in the arse ▸ Idioms related to pain in the arse ▸ Wikipedia articles (New!) ▸ Words that often appear near pain in the arse ▸ Rhymes of pain in the arse ▸ Invented words related to pain in the arse