Accidentally

• (adv.) In an accidental manner; unexpectedly; by chance; unintentionally; casually; fortuitously; not essentially.
Found on http://thinkexist.com/dictionary/meaning/accidentally/

Accidentally

Ac`ci·den'tal·ly adverb In an accidental manner; unexpectedly; by chance; unintentionally; casually; fortuitously; not essentially.
Found on http://www.encyclo.co.uk/webster/A/13

accidentally

accidentally (ak' suh DEN tuh lee) Happening by accident; not intended or expected: 'It was decided that she died accidentally not by any intended cause.'
Found on http://www.wordinfo.info/words/index/info/view_unit/3293/
No exact match found