We found 6 dictionaries that define the word get one's act together:

General (5 matching dictionaries)

1. get one's act together: Merriam-Webster
2. get one's act together: Oxford Learner's Dictionaries
3. get one's act together, get one's act together: Collins English Dictionary
4. get one's act together: Wiktionary
5. get one's act together, get ones act together: Dictionary.com

Slang (1 matching dictionary)

6. get one's act together: English slang and colloquialisms used in the United Kingdom

Definitions from Wiktionary (get one's act together) ▸ verb:  (idiomatic) To become serious, organized, worthwhile, etc. ▸ Words similar to get one's act together ▸ Usage examples for get one's act together ▸ Idioms related to get one's act together ▸ Wikipedia articles (New!) ▸ Words that often appear near get one's act together ▸ Rhymes of get one's act together ▸ Invented words related to get one's act together