The meaning of ACCIDENTALLY is in an accidental or unintended manner : by accident. How to use accidentally in a sentence.

In this post, I will compare accidently vs. accidentally. I will outline which of these spellings is correct and showcase the correct spelling in example sentences.

ACCIDENTALLY definition: by chance or mistake; in a way that is not planned or intended. See examples of accidentally used in a sentence.

Idiom accidentally on purpose (Definition of accidentally from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definition of accidentally adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If something happens accidentally, it happens by chance or as the result of an accident, and is not deliberately intended. Names were accidentally erased from computer disks.

Occurring unexpectedly, unintentionally, or by chance.

Dec 14, 2025 · accidentally (comparative more accidentally, superlative most accidentally) In an accidental manner; by chance, unexpectedly. synonyms Synonyms: casually, fortuitously; see also …

Apr 5, 2025 · The correct form, “accidentally,” is an adverb that describes an action that occurs by chance or without intention. For example, you might say, “She accidentally spilled coffee on her shirt.”

While accidently is sometimes used, it is not the standard form—opt for accidentally in formal writing. Think of how accident plus ally correctly forms the adverb signifying by accident.