Maintain vs Sustain vs You keep this live
When to use each in English, with meaning, register, and examples.
Maintain
Sustain
You keep this live
| Maintain | Sustain | You keep this live | |
|---|---|---|---|
| Pronunciation | 🇬🇧 //meɪnˈteɪn//🇺🇸 //meɪnˈteɪn// | 🇬🇧 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/🇺🇸 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/ | 🇬🇧 //juː kiːp ðɪs laɪv//🇺🇸 //juː kiːp ðɪs laɪv// |
| Meaning | To keep something in good condition or continue to have it. | To keep something going or maintain it. | You maintain this situation or event as current or exciting. |
| Example | To maintain a healthy lifestyle, you should exercise regularly. | We must find ways to sustain our natural resources for the future. | If you want the audience engaged, you need to keep this live. |
| Register | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Beyond 10,000 (less common) |
| CEFR level | B2 | C1 | - |
| Part of speech | verb | verb | |
| Collocations | maintain order, maintain balance, maintain standards, maintain equipment | no longer, barely, indefinitely, be able to, can, be unable to | keep this exciting, keep the energy, keep it fresh |
| Antonyms | neglect, abandon, discontinue | neglect, abandon, cease | - |
| Common mistakes | Confused with 'mainten' which is not a word., Using 'maintain' with uncountable nouns incorrectly., Omitting the object when using it in a sentence. | 'Sustain' is often confused with 'sustained' as a past form., Learners sometimes forget to add an object after 'sustain'., 'Sustain' is misused when referring to temporary situations, instead of ongoing support. | Misusing 'keep', saying 'keep this alive' when 'live' is intended., Confusing 'keep this live' with 'live this', which changes the meaning., Forgetting to use 'this' appropriately with 'live'. |
| Usage notes | Used in contexts involving care, upkeep, or support. Appropriate in both spoken and written English but varies from technical discussions to daily conversation. | Use 'sustain' in contexts about keeping something alive or supporting it over time. It can be formal when discussing topics like environmental issues or less formal in conversations about personal interests. | Use 'keep this live' when discussing events or situations that need to maintain excitement or relevance. It's informal, so avoid in formal writing. |
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Frequently asked questions: Maintain vs Sustain vs You keep this live
What's the difference between Maintain, Sustain, and You keep this live?
Maintain: To keep something in good condition or continue to have it. Sustain: To keep something going or maintain it. You keep this live: You maintain this situation or event as current or exciting.
Which is more advanced: Maintain, Sustain, and You keep this live?
Sustain is the highest level, at C1, on the CEFR scale.
Can you show an example of each?
Maintain: To maintain a healthy lifestyle, you should exercise regularly. Sustain: We must find ways to sustain our natural resources for the future. You keep this live: If you want the audience engaged, you need to keep this live.
Can I use Maintain, Sustain, and You keep this live interchangeably?
Not always. Maintain, Sustain, and You keep this live 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.