We found 8 dictionaries that define the word overreactions:

General (7 matching dictionaries)

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

Medicine (1 matching dictionary)

8. overreactions: Medical dictionary

(Note: See overreaction as well.)

Definitions from Wiktionary (overreaction) ▸ noun:  A reaction that is excessive. ▸ Also see overreaction Opposite: underreactions, measured responses, restraint Types: histrionic, hysterical, melodramatic, dramatic, more... ▸ Words similar to overreactions ▸ Usage examples for overreactions ▸ Idioms related to overreactions ▸ Wikipedia articles (New!) ▸ Popular adjectives describing overreactions ▸ Words that often appear near overreactions ▸ Rhymes of overreactions ▸ Invented words related to overreactions