We found 6 dictionaries that define the word act involuntarily:

General (6 matching dictionaries)

1. act involuntarily: Vocabulary.com
2. act involuntarily: Dictionary.com
3. act involuntarily: Rhymezone
4. act involuntarily: FreeDictionary.org
5. act involuntarily: Mnemonic Dictionary
6. act involuntarily: TheFreeDictionary.com

Definitions from WordNet (act involuntarily) ▸ verb:  act in an uncontrolled manner ▸ Words similar to act involuntarily ▸ Usage examples for act involuntarily ▸ Idioms related to act involuntarily ▸ Wikipedia articles (New!) ▸ Words that often appear near act involuntarily ▸ Rhymes of act involuntarily ▸ Invented words related to act involuntarily