Accidentally

/ˌæksɪˈdɛntəlɪ/

Meaning & Definition

adverb
In a manner resulting from an accident; unintentionally.
She accidentally spilled coffee on her shirt.
Without intention; by chance.
He accidentally discovered a hidden talent for painting.
By mistake.
They accidentally deleted the important files.
Unintentionally; not on purpose.
I accidentally sent the email to the wrong person.

Etymology

Late Middle English: from the phrase 'accidental' + 'ly'.

Common Phrases and Expressions

accidental discovery
A finding made unexpectedly.
accidental injury
Injury resulting from an unintentional act.
accidental damage
Damage caused without intent or premeditation.

Related Words

accident
An unexpected and undesirable event.
incident
An event or occurrence, often of a minor nature.

Slang Meanings

By mistake
I sent that email accidentally to the wrong person.
On accident
I deleted the file on accident.