Accidently or Accidentally: What's the difference & usage? 2026

Many people often get confused between “accidently” and “accidentally.” At first glance, both words seem correct. After all, they look similar and even sound almost the same when spoken quickly. However, only one of them is actually correct in standard English.

This confusion is common among both British (UK) and American (US) English users. Whether you are writing an email, essay, or social media post, using the correct spelling matters. It shows professionalism and helps you communicate clearly.

Therefore, understanding the difference between “accidently” and “accidentally” is important for students, professionals, and everyday writers. In this article, you will learn the correct form, why mistakes happen, and how to avoid them easily.

Quick Answer

The correct spelling is “accidentally.”

The word “accidently” is incorrect and considered a spelling mistake in both UK and US English.

👉 Always use “accidentally” when you want to describe something happening by chance or without intention.

Meaning of the Correct Form

What Does “Accidentally” Mean?

The word “accidentally” is an adverb. It describes something that happens by chance, without planning, or unintentionally.

Simple Definition:

Accidentally = something that happens by mistake or without intention

Examples in Sentences

British English (UK):

I accidentally left my keys at home.
She accidentally spilled tea on her notebook.
He accidentally deleted the file from his computer.

American English (US):

I accidentally sent the email to the wrong person.
They accidentally broke the window during the game.
She accidentally called you last night.

👉 As you can see, the meaning and usage are exactly the same in both UK and US English. The only difference might be in surrounding vocabulary, not the word itself.

Meaning of the Incorrect Form (If Any)

Is “Accidently” a Real Word?

No, “accidently” is not a correct word in standard English.

It is simply a misspelling of “accidentally.”

Why Do People Use It?

People often write “accidently” because:

They drop the “al” sound when speaking quickly.
They assume the spelling matches how it sounds.
They are unsure about double letters in English words.

However, no matter the reason, it is still considered incorrect in both formal and informal writing.

Keyword Comparison / Key Differences

Let’s compare both forms clearly:

Feature	Accidentally	Accidently
Correct spelling	✅ Yes	❌ No
Accepted in UK English	✅ Yes	❌ No
Accepted in US English	✅ Yes	❌ No
Meaning	Happens by chance	No meaning
Usage in writing	Always correct	Always incorrect

Key Takeaway:

Accidentally = Correct
Accidently = Wrong

👉 There are no UK vs US differences in this case. Both follow the same rule.

Common Mistakes People Make

Even experienced writers sometimes make mistakes with this word. Let’s look at the most common ones:

1. Dropping Letters

❌ Incorrect: I accidently broke the glass.
✅ Correct: I accidentally broke the glass.

👉 People often forget the “al” part in the middle.

2. Relying on Pronunciation

Sometimes, “accidentally” sounds like “accidently” in fast speech. However, spelling does not always match pronunciation.

3. Confusing Word Structure

The word comes from:

Accident (noun)
- -al (adjective form)
- -ly (adverb form)

👉 So, the correct structure becomes:

Accident + al + ly = Accidentally

4. Ignoring Spell Check

Modern tools usually catch this mistake. However, people sometimes ignore suggestions or type too quickly.

5. Using Informal Habits in Formal Writing

Some people use “accidently” in texts or chats. But this should never be used in:

Essays
Emails
Reports
Professional writing

Correct Usage in Sentences

Here are more real-life examples for clarity:

Everyday Situations

I accidentally locked myself out of the house.
She accidentally dropped her phone in water.
We accidentally took the wrong train.

Work & Professional Context

I accidentally attached the wrong file to the email.
He accidentally shared confidential information.
The system accidentally deleted user data.

School & Academic Context

I accidentally skipped a question in the exam.
She accidentally wrote the wrong answer.
The student accidentally copied the wrong formula.

UK vs US Examples

Even though spelling is the same, context can differ slightly:

UK English:

I accidentally left my umbrella on the bus.
He accidentally spilt coffee on his shirt.

US English:

I accidentally left my umbrella on the bus.
He accidentally spilled coffee on his shirt.

👉 Notice: “spilt” (UK) vs “spilled” (US), but “accidentally” remains the same.

Tips to Remember the Correct Usage

Here are some simple tricks to help you remember:

1. Break the Word

Think of it like this:

👉 Accident + ally = Accidentally

2. Focus on “Ally”

The ending “ally” can remind you of a friend (ally) helping you remember the correct spelling.

3. Use Spell Check Tools

Always double-check your writing using:

Word processors
Grammar tools
Browser suggestions

4. Practice Writing It

Write the word a few times:

Accidentally
Accidentally
Accidentally

👉 Repetition builds memory.

5. Remember the Rule

If it feels too short, it’s probably wrong.

“Accidently” looks shorter — and that’s your clue it’s incorrect.

FAQs

1. Is “accidently” ever correct?

No, “accidently” is never correct in standard English. Always use “accidentally.”

2. Do British and American English use different spellings?

No, both UK and US English use “accidentally.” There is no variation.

3. Why do people commonly write “accidently”?

People often:

Mishear the pronunciation
Drop letters when typing
Forget the word structure

4. Is “accidentally” formal or informal?

“Accidentally” works in both formal and informal writing, including emails, essays, and conversations.

5. How can I avoid this mistake?

You can:

Use spell check tools
Remember “accident + ally”
Practice writing the word

6. Is “accidentally” an adverb?

Yes, “accidentally” is an adverb because it describes how something happens.

7. Can I use “by accident” instead?

Yes, you can say:

“I did it accidentally.”
“I did it by accident.”

👉 Both are correct, but “accidentally” is more direct.

Conclusion

To sum up, the confusion between “accidently or accidentally” is very common, but the solution is simple.

✅ Accidentally is the correct spelling
❌ Accidently is incorrect

There are no differences between UK and US English for this word. Both follow the same rule, making it easier to remember.