We found 13 dictionaries that define the word act as:

General (10 matching dictionaries)

1. act as: Oxford Learner's Dictionaries
2. act as: Vocabulary.com
3. act as: Dictionary.com
4. act as: Rhymezone
5. act as: FreeDictionary.org
6. act as: Mnemonic Dictionary
7. act as: TheFreeDictionary.com
8. act as: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

9. act as: Legal dictionary

Computing (1 matching dictionary)

10. act as: Encyclopedia

Miscellaneous (1 matching dictionary)

11. act as: Idioms

Definitions from WordNet (act as) ▸ verb:  function as or act like ("This heap of stones will act as a barrier") ▸ verb:  pretend to have certain qualities or state of mind Opposite: react, behave, respond, refrain Phrases: to act as, act as a, act as if nothing is wrong, act as a team, act as a barrier, more... ▸ Words similar to act as ▸ Usage examples for act as ▸ Idioms related to act as ▸ Wikipedia articles (New!) ▸ Words that often appear near act as ▸ Rhymes of act as ▸ Invented words related to act as