English can be tricky, especially when two words look almost the same. That’s exactly what happens with “appal” and “appall.”
Many learners feel confused when they see these words because the spelling is very close. The pronunciation is also the same, which makes things even harder.
You might wonder: Are they different words? Do they have different meanings? Which one is correct? These are very common questions, even for students who already speak English quite well.
The truth is simpler than it looks, but many learners still make mistakes. This confusion often leads to spelling errors in writing, especially in exams, emails, or formal communication.
Understanding the difference is important because using the wrong spelling can make your writing look less accurate or less professional. Even small errors like this can change how people see your English skills.
By the end of this lesson, everything will be clear. You will understand the meaning, correct usage, grammar rules, and common mistakes. You will also learn an easy trick to remember the correct form forever.
What Does “Appal” Mean?
“Appal” is a verb. It means to shock or greatly upset someone, usually because something is very bad, unpleasant, or disturbing.
It is used when something causes a strong emotional reaction like horror, disgust, or deep surprise.
When to Use “Appal”
You can use “appal” when:
- Something is shocking
- Something feels morally wrong
- Something makes people feel uncomfortable or upset
Grammar Rule
“Appal” is a regular verb:
- Base form: appal
- Past tense: appalled
- Present participle: appalling
Even though the base word has one “l,” the past and continuous forms use double “l.”
Example Sentences
- The dirty conditions in the hospital appal visitors.
- His rude behavior will appal anyone.
- The news of the accident appalled everyone.
- I was appalled by how he spoke to his parents.
- The movie’s violent scenes may appal some viewers.
- Her careless attitude appals me.
- People were appalled at the lack of safety rules.
- The teacher was appalled by the students’ actions.
Common Learner Confusion
Many learners think “appal” is incorrect because they see “appall” more often. This creates doubt.
Another confusion comes from spelling:
- Learners forget that even if the base form has one “l,” other forms use two “l” letters.
What Does “Appall” Mean?
“Appall” has the same meaning as “appal.” It also means to shock or upset someone deeply.
The difference is not in meaning, but in spelling style.
When to Use “Appall”
“Appall” is used in the same situations:
- To describe shock
- To express disgust or horror
- To talk about something deeply upsetting
Grammar Rule
“Appall” is also a verb:
- Base form: appall
- Past tense: appalled
- Present participle: appalling
This version keeps double “l” in all forms.
Example Sentences
- The crime details appall the public.
- His comments appall me.
- Everyone was appalled by the news.
- The poor treatment of animals appalls many people.
- She was appalled at his lack of respect.
- The situation will appall anyone who hears about it.
- The teacher was appalled by the cheating.
- It appalls me that people still behave this way.
Common Learner Confusion
The biggest confusion is thinking:
- “appal” and “appall” have different meanings (they do not)
Another issue:
- Learners don’t know which spelling is more common or correct.
Difference Between Appal and Appall (Detailed)
Even though both words have the same meaning, there is still a small but important difference.
Comparison Table
| Feature | Appal | Appall |
|---|---|---|
| Meaning | To shock or upset | To shock or upset |
| Spelling Style | British English | American English |
| Usage Frequency | Less common | More common |
| Verb Form | Regular verb | Regular verb |
| Accepted Globally | Yes | Yes (more widely used) |
Usage Difference
- Appal is mainly used in British English
- Appall is more common in American English
In modern English, “appall” is used more often worldwide, even in many British texts.
Grammar Logic
Both follow the same verb pattern:
- appal/appall → appalled → appalling
Even if you use “appal,” you still write:
- appalled (not appaled)
- appalling (not appaling)
Sentence Structure Difference
There is no difference in sentence structure.
Both follow this pattern:
- Subject + verb + object
Example:
- The news appalled me
- The news appal me (less common but still correct in British English)
Meaning Comparison
There is absolutely no difference in meaning:
- Both express shock
- Both express strong negative emotions
The only real difference is spelling preference.
Grammar Rules You Must Remember
Rule #1: Both Words Are Verbs
Both “appal” and “appall” are action words.
Example:
- The story appalled everyone.
Rule #2: Past Form Always Uses Double “L”
Even if you use “appal,” the past form is:
- appalled ✅
- appaled ❌
Example:
- I was appalled by his behavior.
Rule #3: “Appalling” Always Has Double “L”
No matter which base form you use, the -ing form is:
- appalling ✅
- appaling ❌
Example:
- That was an appalling mistake.
Rule #4: Use One Style Consistently
Do not mix styles in one piece of writing.
Example:
- Correct: appall → appalled → appalling
- Incorrect: appal → appalled → appaling
Consistency makes your writing clearer.
Common Mistakes Students Make
Why Mistakes Happen
- Words look almost the same
- Pronunciation is identical
- Learners mix British and American spelling
- Confusion about double “l”
Wrong vs Correct Examples
❌ The news appaled me
✅ The news appalled me
❌ It was an appaling situation
✅ It was an appalling situation
❌ His actions appalls me (if subject is singular confusion)
✅ His actions appall me
Easy Correction Tips
- Always remember: past = double “l”
- “Appalling” always has two “l” letters
- If unsure, use “appall” (safer and more common)
Easy Trick to Remember the Difference
Here’s a simple trick:
👉 Think of “appALL” = ALL people feel shocked
The double “L” in “appall” can remind you:
- Something shocks ALL people
So:
- “appall” = common, widely used
- “appal” = less common, British style
If you forget, just use appall. You’ll almost always be correct.
Daily Life Examples (Very Important)
These are natural, spoken English examples you might hear every day:
- That news really appalled me.
- I was appalled by his rude attitude.
- It appalls me how people waste food.
- Her behavior at the party appalled everyone.
- The condition of the room would appall you.
- I’m appalled that no one helped him.
- The teacher was appalled at the cheating.
- It appalls me to see so much pollution.
- The video was so shocking—it really appalled me.
- His lack of honesty appalls his friends.
These sentences are simple and commonly used in conversations.
Practice Section
Choose the correct option:
- The news ______ me.
(appaled / appalled) - That was an ______ situation.
(appaling / appalling) - His actions ______ everyone.
(appal / appalled) - I was ______ by the mess.
(appaled / appalled) - It ______ me how people behave.
(appals / appales)
Answers
- appalled ✅
- appalling ✅
- appal (or appall) ✅
- appalled ✅
- appals ✅
FAQs
1. What is the difference between appal and appall?
There is no difference in meaning. Both mean to shock or upset someone. The only difference is spelling style—“appal” is British, while “appall” is more common globally.
2. Which one should I use: appal or appall?
It is safer to use “appall” because it is more widely accepted, especially in international English and American English.
3. Is “appal” incorrect?
No, “appal” is correct in British English. However, it is less common, so many learners prefer “appall.”
4. Can we use appall in questions?
Yes, you can use it in questions.
Example:
- Does his behavior appall you?
5. Is “appalling” always spelled with double L?
Yes, always. No matter which base form you use, “appalling” must have double “l.”
6. Is appall formal or informal?
“Appall” can be used in both formal and informal English. It works well in conversations, essays, and professional writing.
Final Conclusion
“Appal” and “appall” may look confusing at first, but the idea behind them is simple. Both words mean the same thing—to shock or deeply upset someone. The only real difference is spelling style.
“Appal” is used more in British English, while “appall” is more common worldwide. Because of this, many learners choose “appall” to stay safe and consistent.
The most important thing to remember is spelling in different forms. Words like “appalled” and “appalling” always use double “l,” no matter which base form you prefer.
Mistakes usually happen because of spelling confusion, not meaning. Once you understand the pattern, it becomes much easier.
Keep practicing with real-life sentences. Try using the word when you talk about something surprising or shocking. Over time, it will feel natural.
Small details like this can make a big difference in your English. Keep learning, stay curious, and don’t be afraid to make mistakes—that’s how real progress happens.
I am Nathan Scott, a passionate English grammar educator and content writer at GrammarVers, dedicated to helping learners improve their language skills through simple lessons, practical examples, and effective learning resources.
