Skip to content

Confusing words explained

“accidentally” vs “accidently” — What’s the Difference?

Accidentally is the only correct spelling — formed by adding -ly to the adjective 'accidental'. Accidently is a common misspelling that drops the second 'a' and is rejected by every standard dictionary, even though it appears often in informal writing. Always include the full -ally ending.

Key takeaway

Quick Difference: accidentally vs accidently

Accidentally is the only correct spelling — formed by adding -ly to the adjective 'accidental'. Accidently is a common misspelling that drops the second 'a' and is rejected by every standard dictionary, even though it appears often in informal writing. Always include the full -ally ending.

accidentally /ˌæksɪˈdɛntəli/ accidently æksədəntli

accidentally vs accidently Side-by-Side Comparison

Meaning of accidentally

Adv B1 Neutral
Meaning

by chance; not intentionally

Short definition

When something happens without planning or purpose. The action was not deliberate.

Rule of thumb

Use with past tense verbs: 'I accidentally spilled it.' Indicates unplanned actions.

Examples
  • I accidentally spilled my coffee on my shirt. A2 daily
  • She accidentally sent the email to the wrong person. B1 formal

Meaning of accidently

Other A2 Neutral
Meaning

A word in English.

Rule of thumb

Use accidently when you mean a word in English.

Usage Notes & Nuance

accidentally: Common in both formal and casual speech across English-speaking countries.

How to Remember the Difference

Accidental + ly = accidentally — keep the -al before the -ly.

Common Mistakes with accidentally and accidently

Mistake with accidentally

Correct: I did it accidentally

Mistake with accidentally

Correct: I did it on purpose / I did it accidentally

Practice Quiz: accidentally or accidently?

Choose the word that best completes each real example sentence.

Question 1

I _____ spilled my coffee on my shirt.

Question 2

She _____ sent the email to the wrong person.

Question 3

He _____ broke the vase while cleaning the room.

Pick at least one answer, then press Check answers to see how you did.

Frequently Asked Questions About accidentally vs accidently

What’s the difference between “accidentally” and “accidently”?

Accidentally is the only correct spelling — formed by adding -ly to the adjective 'accidental'. Accidently is a common misspelling that drops the second 'a' and is rejected by every standard dictionary, even though it appears often in informal writing. Always include the full -ally ending.

When should I use “accidentally”?

Use with past tense verbs: 'I accidentally spilled it.' Indicates unplanned actions.

How can I remember accidentally vs accidently?

Accidental + ly = accidentally — keep the -al before the -ly.

Is it “accidentally” or “accidently” in example sentences?

Use the quiz above to test the pair with real example sentences from the available word data.

Explore accidentally and accidently Individually

Explore accidently