Vocapedia
Log inTry for Free

Looking up...

Explore

  • Words of the Year
  • Recent Lookups
  • Community Collections
  • How to Say

Dictionaries

  • English
  • Vietnamese
  • Japanese
  • Chinese
  • Spanish
  • French
  • Korean
  • German
  • Hindi
  • Italian

MY LEARNING

  • My Dictionary
  • My Collections
  • Reviews

Resources

  • Learning Resources
  • How It Works
  • Study Guides
  • Language Tips
  • FAQ
  • Getting Started
  • For Individuals
  • For Teachers

Community

  • Forum
  • Blog
  • Help Center
  • Partnerships

About

  • About Vocapedia
  • Contact Us
  • Feedback

Legal

  • Terms of Use
  • Privacy Policy
  • Cookie Policy
  • Accessibility
  • GDPR Compliance
© 2026 Vocapedia. All rights reserved.
  1. Home /
  2. Dictionaries /
  3. English Dictionary /
  4. cool one

cool one

/kuːl wʌn/
attractive person

She's a real cool one, isn't she?

She is an attractive and stylish person.


informal

A person who is attractive, stylish, or impressive.

He's definitely the cool one in that group.

He is the most attractive or impressive person in that group.

That new guy at work is a cool one.

That new guy at work is very attractive or stylish.

Often used to describe someone's appearance or charisma. Can also imply confidence or trendiness.

Collocations

real cool oneemphasizes the attractiveness or impressivenesstotal cool onestresses the person's coolnessdefinitely a cool oneconfirms the person's coolness

Synonyms

attractive personstylish personimpressive personhotshot

Antonyms

unattractive persondull person

Related Phrases

cool catphrase
a stylish or impressive person
hot stuffphrase
an attractive or impressive person
lookerword
a very attractive person

Pro Tip

Context Matters

Use 'cool one' to compliment someone's style or charisma, but avoid using it in professional or formal situations.

Gold Rule

Informal Only

This phrase is strictly informal. Do not use it in academic, business, or official contexts.

Word Origin

The phrase combines the adjective 'cool' (meaning fashionable or impressive) with 'one' (referring to a person). 'Cool' in this sense dates back to African American Vernacular English (AAVE) in the early 20th century, evolving from its original meaning of low temperature to describe someone or something as stylish or admirable.

Usage Notes

Primarily used in informal contexts, often among friends or peers. It can be subjective and is typically used to compliment someone's appearance or demeanor. Avoid using in formal settings.

Word Breakdown

cool
fashionable, attractive, or impressive
adjective
+
one
a person
pronoun
English Dictionary
Browse more English→English words →

Learning Progress

Track your learning journey!

• Save words to build your vocabulary

• Monitor your daily streak

• Get personalized review reminders

• See words learned statistics

Log in to access advanced features and track your progress!

Go to Dashboard →

Words of the Year

The most notable words that defined each year. Discover the vocabulary that shaped our world.