Cool MateDecrease vs Diminish vs Dwindle vs Reduce
When to use each in English, with meaning, register, and examples.
Decrease
Diminish
Dwindle
Reduce
| Decrease | Diminish | Dwindle | Reduce | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 //dɪˈkriːs//🇺🇸 //dɪˈkriːs// | 🇬🇧 //dɪˈmɪn.ɪʃ//🇺🇸 //dɪˈmɪn.ɪʃ// | 🇬🇧 //ˈdwɪndl//🇺🇸 //ˈdwɪndl// | 🇬🇧 /["/rɪˈdjuːs/","/rɪˈdjuːsɪz/","/rɪˈdjuːst/","/rɪˈdjuːsɪŋ/"]/🇺🇸 /["/rɪˈduːs/","/rɪˈduːsɪz/","/rɪˈduːst/","/rɪˈduːsɪŋ/"]/ |
| Meaning | To make something smaller or lower. | To make something smaller or less important. | To become smaller or less in size or amount. | Make something smaller in amount, size, or degree. |
| Example | The government plans to decrease taxes next year. | The new law will help diminish traffic congestion in the city. | As the sun rose, the shadows began to dwindle. | The company plans to reduce its carbon footprint by using more sustainable materials. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 3,000 (common) | Beyond 10,000 (less common) | Top 1,000 (very common) |
| CEFR level | B2 | C1 | B1 | A2 |
| Part of speech | verb | verb | verb | verb |
| Collocations | decrease in size, decrease in temperature, significantly decrease, gradually decrease, decrease the risk | diminish returns, diminish the impact, diminish concerns | dwindle away, dwindle to nothing, dwindle in numbers | considerably, dramatically, drastically, aim to, attempt to, seek to, by, in, from, an attempt to reduce something, an effort to reduce something, measures to reduce something |
| Antonyms | increase, rise, augment | increase, augment, amplify | increase, grow, expand | increase, expand, enlarge |
| 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 is sometimes confused with 'melt' or 'decline'., Learners may use past tense incorrectly (e.g., 'dwindled' for ongoing actions). | Confused with 'deduce' which means to conclude or infer., Using 'reduce' without an object (e.g. 'reduce it' instead of directly stating what to reduce)., Mistaking 'reduce' for 'reduction' in sentences. |
| 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. | Often used for quantities or numbers; implies a gradual decrease. Typically casual or neutral but can appear in writing. | Use 'reduce' when talking about making something smaller or less in quantity. It can be used formally in reports or informally in everyday conversation. Avoid using it in contexts where the increase is intended. |
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Frequently asked questions: Decrease vs Diminish vs Dwindle vs Reduce
What's the difference between Decrease, Diminish, Dwindle, and Reduce?
Decrease: To make something smaller or lower. Diminish: To make something smaller or less important. Dwindle: To become smaller or less in size or amount. Reduce: Make something smaller in amount, size, or degree.
Which is more common: Decrease, Diminish, Dwindle, and Reduce?
Reduce is the most common in everyday English.
Which is more advanced: Decrease, Diminish, Dwindle, and Reduce?
Diminish is the highest level, at C1, on the CEFR scale.
Are Decrease, Diminish, Dwindle, and Reduce the same CEFR level?
Decrease: B2, Diminish: C1, Dwindle: B1, Reduce: A2 on the CEFR scale.
What part of speech are Decrease, Diminish, Dwindle, and Reduce?
Decrease: verb, Diminish: verb, Dwindle: verb, Reduce: verb.
Can you show an example of each?
Decrease: The government plans to decrease taxes next year. Diminish: The new law will help diminish traffic congestion in the city. Dwindle: As the sun rose, the shadows began to dwindle. Reduce: The company plans to reduce its carbon footprint by using more sustainable materials.
Can I use Decrease, Diminish, Dwindle, and Reduce interchangeably?
Not always. Decrease, Diminish, Dwindle, and Reduce 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.