Pronunciation coach
Cool
Sounds like
KOOL
Tap the speaker to hear the word.
Simple meaning
What does Cool mean?
Cool means a little cold, calm, or impressive.
Dictionary definition
slightly cold in a pleasant way, calm, or impressive; as a verb, to become less warm.
Example sentences
Cool in a sentence
easy
The water felt cool.
medium
Let the soup cool before you eat it.
hard
She stayed cool during the challenge and solved the problem.
Synonyms
Words like Cool
chillyA little cold.
calmSteady and not upset.
Antonyms
Opposite words
warmHaving more heat than cool.
nervousA contrast when cool means calm.
Word family
Cool word family
Base word
cool
adjective
cool
Slightly cold, calm, or impressive.
adjective
cooler
More cool.
adjective
coolest
Most cool.
verb
cooled
Became less warm in the past.
Related words
Explore related words
Quick practice
Try Cool
Practice 1
What can cool mean?
Cool can describe temperature, a calm attitude, or something impressive.
Practice 2
Which word is an antonym of cool when it describes temperature?
Warm is the opposite of cool when talking about temperature.
Practice 3
Which sentence uses cool correctly?
Air can feel cool when it is slightly cold.
Practice this skill
Practice vocabulary in WordHive
Use the dictionary to understand Cool, then move into short activities matched to the skills on this page.
Learning paths
- Define the Word Hive for word meanings.
- Synonym Search for word choice.
- Context Clue Challenge for sentence clues.
- Buzz Between for homophones and listening.
- Hive Builder for roots, prefixes, and suffixes.