Accidently-Accidentally | Commonly Confused Words

Accidently

/ˈæksədəntli/

By mistake or without planning

I accidently sent the email to the wrong person.The cat accidently knocked over the vase.She accidently wore mismatched socks to work.

/ˌæksɪˈdentəli/

By mistake, without intention or planning

Such things happen accidentally in war."They met accidentally at the Colony.As he grabbed his knife, he accidentally pushed Gregory into Abraham.

Accidentally is the full, standard spelling.
Remember that accidentally has an extra al after accident.
Accidently is a common misspelling and omits the al.
Think of accident plus the suffix -ally to form accidentally.
To avoid error, always think of the formal use which includes all syllables in accidentally.