The meaning of ACCIDENTALLY is in an accidental or unintended manner : by accident. How to use accidentally in a sentence. by chance or by mistake: 2. by chance or by mistake: . If something happens accidentally, it didn't happen on purpose — blame it on a mistake, chance, or outside forces. How do you spell accidentally? Learn how to use accidentally and accidently with definitions and example sentences. How do you spell accident? Definition of accidentally adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. accidentally synonyms, accidentally pronunciation, accidentally translation, English dictionary definition of accidentally. accidental left to right: G natural, G flat, G sharp adj. Occurring … Wondering whether to use 'accidentally' or 'accidently'? We can help you miake the right choice, plus teach you how to use it in a sentence. Mar 1, 2024 · Accidentally or accidently, which is the correct spelling?