We found 30 dictionaries that define the word accidentally:

General (23 matching dictionaries)

1. accidentally: Merriam-Webster
2. accidentally: Oxford Learner's Dictionaries
3. accidentally: Collins English Dictionary
4. accidentally: Vocabulary.com
5. Accidentally, accidentally: Wordnik
6. accidentally: Cambridge Advanced Learner's Dictionary
7. accidentally: Wiktionary
8. Accidentally, accidentally: Dictionary.com
9. accidentally: Cambridge Essential American English Dictionary
10. Accidentally: Wikipedia, the Free Encyclopedia
11. Accidentally: Online Plain Text English Dictionary
12. accidentally: Webster's Revised Unabridged, 1913 Edition
13. accidentally: Rhymezone
14. accidentally: AllWords.com Multi-Lingual Dictionary
15. accidentally: Webster's 1828 Dictionary
16. accidentally: FreeDictionary.org
17. accidentally: Mnemonic Dictionary
18. accidentally: TheFreeDictionary.com
19. accidentally: Wikimedia Commons US English Pronunciations
20. accidentally: Longman Dictionary of Contemporary English
21. accidentally: Merriam-Webster

Business (2 matching dictionaries)

22. accidentally: Merriam-Webster Legal Dictionary
23. accidentally: Legal dictionary

Computing (1 matching dictionary)

24. accidentally: Encyclopedia

Medicine (2 matching dictionaries)

25. accidentally: Merriam-Webster Medical Dictionary
26. accidentally: Medical dictionary

Miscellaneous (1 matching dictionary)

27. accidentally: Idioms

Slang (1 matching dictionary)

28. Accidentally: Urban Dictionary

(Note: See accidental as well.)

Definitions from Wiktionary ( ) ▸ adverb:  In an accidental manner; by chance, unexpectedly. ▸ adverb:  Unintentionally. Similar: unexpectedly, unintentionally, incidentally, circumstantially, by chance, by accident, semiaccidentally, per accidens, fortuitously, unaccidentally, more... Opposite: deliberately, intentionally, on purpose Types: on accident, on purpose, more... Phrases: accidentally on purpose, Love Accidentally, Accidentally in Love, accidentally saw, accidentally touch, more... Colors:     gray,     brown,     red,     yellow,     black, more... ▸ Words similar to accidentally ▸ Usage examples for accidentally ▸ Idioms related to accidentally ▸ Wikipedia articles (New!) ▸ Words that often appear near accidentally ▸ Rhymes of accidentally ▸ Invented words related to accidentally