Cool MateAir-condition vs Cool
When to use each in English, with meaning, register, and examples.
Air-condition
Top 5,000 (fairly common)
Cool
InformalTop 1,000 (very common)A1adjective
Most formal: Air-conditionMost common: Cool
| Air-condition | Cool | |
|---|---|---|
| Pronunciation | 🇬🇧 //ˌeə.kənˈdɪʃ.ən//🇺🇸 //ˌɛr.kənˈdɪʃ.ən// | 🇬🇧 /["/kuːl/"]/🇺🇸 /["/kuːl/"]/ |
| Meaning | A machine that cools or heats the air in a room. | Something that is good or impressive. |
| Example | I need to air-condition the living room for the party. | The weather is really cool today. |
| Register | Neutral | Informal |
| How common | Top 5,000 (fairly common) | Top 1,000 (very common) |
| CEFR level | - | A1 |
| Part of speech | adjective | |
| Collocations | air-condition a space, air-condition the room, air-condition an office | be, feel, look, very, a little, slightly, be, look, sound, extremely, fairly, very, be, look, sound, extremely, fairly, very, appear, be, look, very, pretty, about, with, cool, calm and collected, act, appear, be, distinctly, very, rather, about, towards/toward, appear, be, look, very, pretty, about, with, cool, calm and collected |
| Antonyms | heat, warm | uncool, boring, uninteresting |
| Common mistakes | Incorrectly spelled as 'aircondition', Using it as a noun instead of a verb, e.g. 'We air-condition the room.' instead of 'We air-conditioned the room.', Confusing with 'ventilate' which has different meanings. | Using 'cool' to describe temperatures or weather instead of mood or style., Confusing 'cool' with 'great' in contexts where a specific feeling is implied., Overusing 'cool' in formal or academic situations where more precise vocabulary is needed. |
| Usage notes | Commonly used in everyday conversation. Avoid in very formal writing. | Use 'cool' to describe things that are stylish or admirable. It's very informal, so avoid it in formal writing or conversations. Can imply calmness in some contexts. |
See it in real clips
Frequently asked questions: Air-condition vs Cool
What's the difference between Air-condition and Cool?
Air-condition: A machine that cools or heats the air in a room. Cool: Something that is good or impressive.
Which is more formal: Air-condition and Cool?
Air-condition is the most formal of these.
Which is more common: Air-condition and Cool?
Cool is the most common in everyday English.
Can you show an example of each?
Air-condition: I need to air-condition the living room for the party. Cool: The weather is really cool today.
Can I use Air-condition and Cool interchangeably?
Not always. Air-condition and Cool are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.