Cool MateDecrease vs Diminish
When to use each in English, with meaning, register, and examples.
Decrease
Top 2,000 (common)B2verb
Diminish
Top 3,000 (common)C1verb
Most common: Decrease
| Decrease | Diminish | |
|---|---|---|
| Pronunciation | 🇬🇧 //dɪˈkriːs//🇺🇸 //dɪˈkriːs// | 🇬🇧 //dɪˈmɪn.ɪʃ//🇺🇸 //dɪˈmɪn.ɪʃ// |
| Meaning | To make something smaller or lower. | To make something smaller or less important. |
| Example | The government plans to decrease taxes next year. | The new law will help diminish traffic congestion in the city. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 3,000 (common) |
| CEFR level | B2 | C1 |
| Part of speech | verb | verb |
| Collocations | decrease in size, decrease in temperature, significantly decrease, gradually decrease, decrease the risk | diminish returns, diminish the impact, diminish concerns |
| Antonyms | increase, rise, augment | increase, augment, amplify |
| Common mistakes | Confusing 'decrease' with 'increase'., Using 'decrease' without an object, e.g. 'decrease' must have something to decrease., Incorrectly conjugating the verb in different tenses. | Confused with 'diminutive', which means small in size., Incorrectly used in passive voice; diminish does not typically take a passive form., Mixing up with 'eliminate', which means to completely remove. |
| Usage notes | Use 'decrease' in formal and neutral contexts to describe reductions, such as in appetite or temperature. | Used in both formal and informal contexts. Often describes reduction in size, quality, or importance. |
Frequently asked questions: Decrease vs Diminish
What's the difference between Decrease and Diminish?
Decrease: To make something smaller or lower. Diminish: To make something smaller or less important.
Which is more common: Decrease and Diminish?
Decrease is the most common in everyday English.
Are Decrease and Diminish the same CEFR level?
Decrease: B2, Diminish: C1 on the CEFR scale.
Can I use Decrease and Diminish interchangeably?
Not always. Decrease and Diminish 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.