Cool MateCondition vs Illness
When to use each in English, with meaning, register, and examples.
Condition
Top 1,000 (very common)A2noun
Illness
Top 2,000 (common)A2noun
Most common: Condition
| Condition | Illness | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/kənˈdɪʃn/"]/🇺🇸 /["/kənˈdɪʃn/"]/ | 🇬🇧 /["/ˈɪlnəs/"]/🇺🇸 /["/ˈɪlnəs/"]/ |
| Meaning | A state or situation that must be met or that affects something. | Being sick or not healthy. |
| Example | The condition of the car was poor after the long trip. | The doctor said my illness will take a few weeks to heal. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | A2 |
| Part of speech | noun | noun |
| Collocations | excellent, good, immaculate, assess, evaluate, in… condition, critical, serious, stable, get better, improve, deteriorate, assess, monitor, in a… condition, in… condition, out of condition, be in no condition to do something, medical, life-threatening, serious, have, suffer from, be born with, favourable/favorable, good, ideal, live in, work in, work under, exist, persist, prevail, in condition, under condition, favourable/favorable, good, ideal, live in, work in, work under, exist, persist, prevail, in condition, under condition, strict, special, attach, impose, lay down, apply, on condition that, on… condition, under… condition, a breach of a condition, conditions of employment, sale, etc., terms and conditions, necessary, sufficient, create, condition for, human, improve | deadly, fatal, incurable, bout, episode, experience, have, suffer, affect somebody, afflict, plague somebody, after illness, because of illness, due to illness, the onset of an illness, deadly, fatal, incurable, bout, episode, experience, have, suffer, affect somebody, afflict, plague somebody, after illness, because of illness, due to illness, the onset of an illness |
| Antonyms | disorder, chaos, confusion | health, wellness |
| Common mistakes | Confused with 'conditions' as in multiple situations., Used incorrectly with verbs that don't match its meaning., Omitting the context, like 'condition of' instead of just 'condition'. | Confused with 'disease' — 'illness' often refers to a temporary state, while 'disease' is more permanent., Using 'illness' when 'condition' is more appropriate for chronic health issues., Mispronouncing as 'illnes' instead of 'ill-ness'. |
| Usage notes | Used in both everyday conversation and formal settings. More formal when discussing health or legal matters, while informal uses may be seen in everyday discussions about preferences. | Commonly used in both spoken and written English. Appropriate in medical contexts and everyday conversations. Avoid using in slang or very casual settings. |
Frequently asked questions: Condition vs Illness
What's the difference between Condition and Illness?
Condition: A state or situation that must be met or that affects something. Illness: Being sick or not healthy.
Which is more common: Condition and Illness?
Condition is the most common in everyday English.
Are Condition and Illness the same CEFR level?
Condition: A2, Illness: A2 on the CEFR scale.
What part of speech are Condition and Illness?
Condition: noun, Illness: noun.
Can you show an example of each?
Condition: The condition of the car was poor after the long trip. Illness: The doctor said my illness will take a few weeks to heal.
Can I use Condition and Illness interchangeably?
Not always. Condition and Illness 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.