Cool MateAffair vs Matter
When to use each in English, with meaning, register, and examples.
Affair
Matter
| Affair | Matter | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈfeə(r)/"]/🇺🇸 /["/əˈfer/"]/ | 🇬🇧 /["/ˈmætə(r)/"]/🇺🇸 /["/ˈmætər/"]/ |
| Meaning | A secret relationship, usually romantic, that someone has while they are married. | A subject or issue that needs to be discussed or considered. |
| Example | The politician was involved in a scandal involving an extra-marital affair. | Does it really matter what others think of you? |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | B2 | A2 |
| Part of speech | noun | noun |
| Collocations | current, public, human, administer, arrange, attend to, affairs of state, a state of affairs, whole, glittering, grand, deal with, handle, be involved in, somebody’s involvement in the affair, wash your hands of the affair, brief, casual, clandestine, carry on, conduct, have, go on, affair between, affair with, current, public, human, administer, arrange, attend to, affairs of state, a state of affairs, family, somebody’s own, personal, interfere in, meddle in, somebody’s affair, no affair of somebody’s | important, pressing, serious, bring up, broach, raise, be related to, pertain to, relate to, in a/the matter, on a/the matter, matter for, the crux of the matter, the heart of the matter, let the matter drop, complicate, confuse, make worse, solid, organic, vegetable, solid, organic, vegetable |
| Antonyms | fidelity, loyalty | trifle, insignificance |
| Common mistakes | Confusing 'affair' with 'event' as in 'the fair was fun.', Using it to mean a casual relationship rather than a secretive one., Saying 'have an affair with' instead of 'have an affair' for conciseness. | Confusing 'matter' with 'material' — they have different meanings., Using 'mattered' instead of 'matter' in present tense situations., Overusing 'matter' in every situation — it’s better for specific contexts. |
| Usage notes | Typically used in contexts about relationships. It's more formal than 'hookup' and less formal than 'romantic relationship.' Not appropriate for light conversation. | Used when something is important or relevant to someone. More common in informal contexts when discussing personal feelings or opinions. Avoid using it in very formal writing. |
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Frequently asked questions: Affair vs Matter
What's the difference between Affair and Matter?
Affair: A secret relationship, usually romantic, that someone has while they are married. Matter: A subject or issue that needs to be discussed or considered.
Which is more common: Affair and Matter?
Matter is the most common in everyday English.
Which is more advanced: Affair and Matter?
Affair is the highest level, at B2, on the CEFR scale.
Are Affair and Matter the same CEFR level?
Affair: B2, Matter: A2 on the CEFR scale.
What part of speech are Affair and Matter?
Affair: noun, Matter: noun.
Can you show an example of each?
Affair: The politician was involved in a scandal involving an extra-marital affair. Matter: Does it really matter what others think of you?
Can I use Affair and Matter interchangeably?
Not always. Affair and Matter 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.