Chronic vs Long-term

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

Chronic

Top 2,000 (common)C1adjective

Long-term

Top 2,000 (common)B2adjective
 ChronicLong-term
Pronunciation🇬🇧 /["/ˈkrɒnɪk/"]/🇺🇸 /["/ˈkrɑːnɪk/"]/🇬🇧 /["/ˌlɒŋ ˈtɜːm/"]/🇺🇸 /["/ˌlɔːŋ ˈtɜːrm/"]/
Meaninghappening all the time or for a long timeSomething that lasts for a long time.
Examplechronic bronchitis/arthritis/asthmaThey have a long-term plan for the development of the city.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B2
Part of speechadjectiveadjective
Collocationschronic illness, chronic pain, chronic condition, chronic fatigue, chronic diseaselong-term goals, long-term effects, long-term investments, long-term relationships, long-term plans
Antonymsacute, temporary, short-termshort-term
Common mistakesConfused with 'acute', which means a condition that comes on quickly., Using it to describe minor or temporary issues instead of serious ones., Forgetting to connect it with a noun, as in 'chronic pain' or 'chronic illness'.Confusing 'long-term' with 'short-term'., Using 'long-term' as a noun instead of an adjective., Not hyphenating 'long-term' when it is used as a compound adjective.
Usage notesUsed in medical contexts to describe conditions that are long-lasting. Avoid in casual conversations where simpler words (like 'constant') might be more appropriate.Use 'long-term' to describe plans, commitments, or effects that are expected to last over a long period. Avoid using it for temporary situations.

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Long-term

Frequently asked questions: Chronic vs Long-term

What's the difference between Chronic and Long-term?

Chronic: happening all the time or for a long time Long-term: Something that lasts for a long time.

Which is more advanced: Chronic and Long-term?

Chronic is the highest level, at C1, on the CEFR scale.

Are Chronic and Long-term the same CEFR level?

Chronic: C1, Long-term: B2 on the CEFR scale.

What part of speech are Chronic and Long-term?

Chronic: adjective, Long-term: adjective.

Can you show an example of each?

Chronic: chronic bronchitis/arthritis/asthma Long-term: They have a long-term plan for the development of the city.

Can I use Chronic and Long-term interchangeably?

Not always. Chronic and Long-term 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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