Chilly vs Cold vs Cool vs Frigid

When to use each in English, with meaning, register, and examples.

Chilly

Top 2,000 (common)

Cold

Top 1,000 (very common)A1adjective

Cool

InformalTop 1,000 (very common)A1adjective

Frigid

Beyond 10,000 (less common)B1adjective
 ChillyColdCoolFrigid
Pronunciation🇬🇧 //ˈtʃɪli//🇺🇸 //ˈtʃɪli//🇬🇧 /["/kəʊld/"]/🇺🇸 /["/kəʊld/"]/🇬🇧 /["/kuːl/"]/🇺🇸 /["/kuːl/"]/🇬🇧 //ˈfrɪdʒ.ɪd//🇺🇸 //ˈfrɪdʒ.ɪd//
MeaningA word to describe very cool or cold weather.Having a low temperature; not warm.Something that is good or impressive.Very cold or chilly.
ExampleIt was a chilly morning, and I needed my coat.The water is too cold to swim in right now.The weather is really cool today.The frigid temperatures made it hard to go outside.
RegisterNeutralNeutralInformalNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)Beyond 10,000 (less common)
CEFR level-A1A1B1
Part of speechadjectiveadjectiveadjective
Collocationschilly weather, chilly breeze, chilly nightbe, feel, look, extremely, fairly, very, be, get, go, stonebe, 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 collectedfrigid air, frigid climate, frigid temperature
Antonymswarm, hot, toastyhot, warm, boilinguncool, boring, uninterestinghot, warm, tropical
Common mistakesConfused with 'cool' – 'chilly' is colder than 'cool'., Using 'chilly' to describe things other than temperature, like emotions., Incorrectly capitalizing 'Chilly' when describing the weather.Confused with 'cool', which implies a moderate temperature., Used 'cold' to describe mild weather when 'cool' would be more appropriate., Incorrectly assuming 'cold' applies only to temperature, overlooking emotional contexts.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.Using 'frigid' for mild temperatures., Confusing 'frigid' with 'frozen'., Mispronouncing the word.
Usage notesUse 'chilly' to describe uncomfortable coolness, often related to weather. It is polite and suitable in most contexts, but not used for extreme cold.Use 'cold' to describe weather, objects, or emotions. Avoid using in a formal setting when describing someone's demeanor or mannerisms.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.Used to describe extreme coldness, both physically and metaphorically. Avoid using it in casual conversations about slightly cool weather.

See it in real clips

Chilly
Cold
Cool

Frequently asked questions: Chilly vs Cold vs Cool vs Frigid

What's the difference between Chilly, Cold, Cool, and Frigid?

Chilly: A word to describe very cool or cold weather. Cold: Having a low temperature; not warm. Cool: Something that is good or impressive. Frigid: Very cold or chilly.

Which is more advanced: Chilly, Cold, Cool, and Frigid?

Frigid is the highest level, at B1, on the CEFR scale.

Can you show an example of each?

Chilly: It was a chilly morning, and I needed my coat. Cold: The water is too cold to swim in right now. Cool: The weather is really cool today. Frigid: The frigid temperatures made it hard to go outside.

Can I use Chilly, Cold, Cool, and Frigid interchangeably?

Not always. Chilly, Cold, Cool, and Frigid 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.

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