21+ Other Ways to Say “How Cool”
The phrase “how cool” is very common in spoken English. People use it to show surprise, admiration, or excitement. You might say it when you hear good news, see something impressive, or learn an interesting fact.
While this phrase is simple and friendly, using it too often can sound repetitive or too casual—especially in professional or formal situations.
That’s why learning other ways to say “how cool” is important. Different words can change your tone. Some sound more professional. Others sound warmer or more enthusiastic.
Choosing the right phrase helps you sound more fluent, confident, and natural in English.
In this article, you’ll learn 21+ alternatives to “how cool”, with clear meanings, examples, and tips for when (and when not) to use each one.
What Does “How Cool” Mean?

“How cool” is an informal expression. It is used to show that you like something or find it interesting, impressive, or exciting.
Grammar note:
It is an exclamatory phrase, not a full sentence. It often stands alone or is followed by extra information.
Example:
- How cool!
- How cool is that idea?
When to Use “How Cool”
You can use “how cool” in many everyday situations, such as:
- Talking with friends or family
- Reacting to good news
- Casual conversations
- Social media comments
- Informal spoken English
It works best in spoken and casual written English, like texts or chats.
Is It Professional or Polite to Say “How Cool”?
In most professional or business settings, “how cool” is too informal. It may sound childish or unprofessional in emails, meetings, or presentations.
- ✅ Polite in casual talk
- ❌ Not ideal for formal writing
- ❌ Weak for business communication
In professional situations, it’s better to use formal alternatives to “how cool”, such as “That’s impressive” or “That’s excellent.”
Pros and Cons of Using “How Cool”
Pros
- Easy to understand
- Friendly and relaxed
- Common in daily conversation
Cons
- Too informal for work
- Sounds repetitive if overused
- Not suitable for academic writing
21+ Other Ways to Say “How Cool” (With Examples)
Below are 21 alternatives to “how cool”, explained in simple English.
1. That’s awesome
Meaning: Very good or exciting
Explanation: A popular and friendly phrase
Example Sentence: That’s awesome news!
Best Use: Casual, spoken
Worst Use: Formal emails
Tone: Friendly
2. That’s amazing
Meaning: Very impressive
Explanation: Shows strong positive feeling
Example Sentence: That’s amazing work!
Best Use: Casual, semi-formal
Worst Use: Very formal writing
Tone: Emphatic
3. That’s impressive
Meaning: Something deserves praise
Explanation: More professional than “cool”
Example Sentence: That’s impressive progress.
Best Use: Business, formal
Worst Use: Very casual jokes
Tone: Neutral
4. That’s great
Meaning: Very good
Explanation: Simple and safe choice
Example Sentence: That’s great to hear.
Best Use: All situations
Worst Use: None
Tone: Neutral
5. That’s fantastic
Meaning: Extremely good
Explanation: Stronger than “great”
Example Sentence: That’s fantastic news!
Best Use: Spoken, semi-formal
Worst Use: Serious reports
Tone: Enthusiastic
6. That’s excellent
Meaning: Very high quality
Explanation: Sounds professional
Example Sentence: That’s an excellent idea.
Best Use: Business, academic
Worst Use: Casual slang talk
Tone: Formal
7. That’s wonderful
Meaning: Very pleasing
Explanation: Warm and positive
Example Sentence: That’s wonderful news.
Best Use: Polite conversation
Worst Use: Technical writing
Tone: Friendly
8. That’s interesting
Meaning: Makes you curious
Explanation: Polite but neutral
Example Sentence: That’s an interesting point.
Best Use: Meetings, discussions
Worst Use: When strong emotion is needed
Tone: Neutral
9. That’s exciting
Meaning: Makes you feel happy or eager
Explanation: Shows anticipation
Example Sentence: That’s exciting news!
Best Use: Casual, spoken
Worst Use: Formal reports
Tone: Emphatic
10. That’s brilliant
Meaning: Very clever or smart
Explanation: Common in British English
Example Sentence: That’s a brilliant solution.
Best Use: Semi-formal
Worst Use: Very formal writing
Tone: Positive
11. That’s impressive work
Meaning: Praising effort
Explanation: Focuses on results
Example Sentence: That’s impressive work, team.
Best Use: Workplace
Worst Use: Casual chat
Tone: Professional
12. That’s really nice
Meaning: Pleasant or kind
Explanation: Soft and friendly
Example Sentence: That’s really nice of you.
Best Use: Casual
Worst Use: Business writing
Tone: Friendly
13. That’s remarkable
Meaning: Worth noticing
Explanation: Formal and strong
Example Sentence: That’s a remarkable achievement.
Best Use: Formal, academic
Worst Use: Casual talk
Tone: Formal
14. That’s cool stuff
Meaning: Informal praise
Explanation: Very casual slang
Example Sentence: That’s cool stuff!
Best Use: Friends
Worst Use: Work emails
Tone: Casual
15. That’s inspiring
Meaning: Makes you feel motivated
Explanation: Emotional and positive
Example Sentence: That’s inspiring to hear.
Best Use: Speeches, writing
Worst Use: Casual jokes
Tone: Warm
16. That’s fascinating
Meaning: Very interesting
Explanation: Shows deep interest
Example Sentence: That’s a fascinating idea.
Best Use: Academic, professional
Worst Use: Casual slang talk
Tone: Formal
17. That’s neat
Meaning: Simple approval
Explanation: Informal and light
Example Sentence: That’s neat!
Best Use: Casual
Worst Use: Formal settings
Tone: Friendly
18. That’s admirable
Meaning: Deserves respect
Explanation: Polite and formal
Example Sentence: That’s admirable behavior.
Best Use: Professional
Worst Use: Casual chat
Tone: Formal
19. That’s impressive to see
Meaning: Visual admiration
Explanation: Good for presentations
Example Sentence: That’s impressive to see.
Best Use: Work, presentations
Worst Use: Texting
Tone: Professional
20. That’s something special
Meaning: Unique or rare
Explanation: Emotional praise
Example Sentence: That’s something special.
Best Use: Friendly talk
Worst Use: Technical writing
Tone: Warm
21. That’s a great achievement
Meaning: Praising success
Explanation: Focuses on results
Example Sentence: That’s a great achievement for the team.
Best Use: Business, formal
Worst Use: Casual slang
Tone: Formal
Comparison Table: Top Alternatives to “How Cool”
| Phrase | Tone | Best Use |
|---|---|---|
| That’s awesome | Friendly | Casual |
| That’s impressive | Neutral | Business |
| That’s excellent | Formal | Professional |
| That’s fascinating | Formal | Academic |
| That’s amazing | Emphatic | Casual/Semi-formal |
FAQs
1. Is “how cool” slang?
Yes, it is informal and conversational.
2. Can I use “how cool” in emails?
Only in very casual emails, not professional ones.
3. What is the most professional alternative to “how cool”?
“That’s impressive” or “That’s excellent.”
4. Is “that’s awesome” formal?
No, it is casual and friendly.
5. How can I sound more fluent in English?
Use different phrases instead of repeating the same one.
Conclusion
Learning other ways to say “how cool” helps you speak better English. It allows you to match your words with the situation. Casual phrases work well with friends.
Formal phrases are better for work or study. By using the right words, you sound more confident, polite, and natural. Try to practice these alternatives in daily conversations and writing.
Over time, your English will feel smoother and more professional.

I am Maria James, a passionate content writer who loves exploring English words, meanings, and language trends to help readers learn and communicate better every day.
