Fulfill vs Satisfy

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

Fulfill

Top 2,000 (common)B1

Satisfy

Top 1,000 (very common)B2verb
Most common: Satisfy
 FulfillSatisfy
Pronunciation🇬🇧 //fʊlˈfɪl//🇺🇸 //fʊlˈfɪl//🇬🇧 /["/ˈsætɪsfaɪ/","/ˈsætɪsfaɪz/","/ˈsætɪsfaɪd/","/ˈsætɪsfaɪɪŋ/"]/🇺🇸 /["/ˈsætɪsfaɪ/","/ˈsætɪsfaɪz/","/ˈsætɪsfaɪd/","/ˈsætɪsfaɪɪŋ/"]/
MeaningTo do what is required or promised.To make someone happy by meeting their needs or desires.
ExampleShe worked hard to fulfill her dreams.The new policy did not satisfy the needs of the employees.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB1B2
Part of speechverb
Collocationsfulfill a dream, fulfill a promise, fulfill a requirement, fulfill one's dutieshave to, must, should, have to, must, should, have to, must, should
Antonymsneglect, disappoint, faildisplease, dissatisfy, upset
Common mistakesConfused with 'fill' — remember they mean different things., Using it without an object is incorrect; you always need to say what you fulfill., Often misspelled as 'fulfil' without the second 'l' in American English.Confusing with 'satisfactorily', which is an adverb., Using 'satisfy' with a subject instead of an object (it needs an object)., Saying 'satisfy for' instead of 'satisfy with' or 'satisfy.'
Usage notesUsed in formal and everyday contexts. It's appropriate when discussing commitments, expectations, or requirements.Use 'satisfy' when referring to meeting someone's needs or when fulfilling a condition. It's appropriate in both spoken and written English, though more formal contexts may favor synonyms like 'fulfill'.

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Fulfill

Frequently asked questions: Fulfill vs Satisfy

What's the difference between Fulfill and Satisfy?

Fulfill: To do what is required or promised. Satisfy: To make someone happy by meeting their needs or desires.

Which is more common: Fulfill and Satisfy?

Satisfy is the most common in everyday English.

Which is more advanced: Fulfill and Satisfy?

Satisfy is the highest level, at B2, on the CEFR scale.

Are Fulfill and Satisfy the same CEFR level?

Fulfill: B1, Satisfy: B2 on the CEFR scale.

Can you show an example of each?

Fulfill: She worked hard to fulfill her dreams. Satisfy: The new policy did not satisfy the needs of the employees.

Can I use Fulfill and Satisfy interchangeably?

Not always. Fulfill and Satisfy 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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