She always needs to feed vs Sustain

When to use each in English, with meaning, register, and examples.

She always needs to feed

Top 3,000 (common)

Sustain

Top 2,000 (common)C1verb
Most common: Sustain
 She always needs to feedSustain
Pronunciation🇬🇧 //fiːd//🇺🇸 //fiːd//🇬🇧 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/🇺🇸 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/
MeaningTo give food to someone or something.To keep something going or maintain it.
ExampleShe always needs to feed the baby when he wakes up.We must find ways to sustain our natural resources for the future.
RegisterNeutralNeutral
How commonTop 3,000 (common)Top 2,000 (common)
CEFR level-C1
Part of speechverb
Collocationsfeed the animals, feed the children, feed hungry peopleno longer, barely, indefinitely, be able to, can, be unable to
Antonyms-neglect, abandon, cease
Common mistakesConfused with 'feeding' as a noun instead of a verb., Using 'feed' in the incorrect tense., Omitting the object when referring to what is being fed.'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.
Usage notesUse this phrase when talking about giving food to animals or people. Avoid using in very formal writing. Often used in 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.

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She always needs to feed
Sustain

Frequently asked questions: She always needs to feed vs Sustain

What's the difference between She always needs to feed and Sustain?

She always needs to feed: To give food to someone or something. Sustain: To keep something going or maintain it.

Which is more common: She always needs to feed and Sustain?

Sustain is the most common in everyday English.

Can you show an example of each?

She always needs to feed: She always needs to feed the baby when he wakes up. Sustain: We must find ways to sustain our natural resources for the future.

Can I use She always needs to feed and Sustain interchangeably?

Not always. She always needs to feed and Sustain 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.

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