We found 11 dictionaries that define the word acting up:

General (6 matching dictionaries)

1. acting up: Merriam-Webster
2. acting up: Collins English Dictionary
3. acting up: Vocabulary.com
4. acting up: Cambridge Advanced Learner's Dictionary
5. acting up: Wiktionary
6. acting up: TheFreeDictionary.com

Business (1 matching dictionary)

7. acting up: Legal dictionary

Computing (1 matching dictionary)

8. acting up: Encyclopedia

Medicine (1 matching dictionary)

9. acting up: Medical dictionary

Miscellaneous (1 matching dictionary)

10. acting up: Idioms

Slang (1 matching dictionary)

11. Acting up: Urban Dictionary

Types: misbehaving, acting out, being disruptive, being unruly, being rowdy, more... ▸ Words similar to acting up ▸ Usage examples for acting up ▸ Idioms related to acting up ▸ Wikipedia articles (New!) ▸ Words that often appear near acting up ▸ Rhymes of acting up ▸ Invented words related to acting up