Feasible vs Possible

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

Feasible

Top 2,000 (common)B1

Possible

Top 1,000 (very common)A1adjective
Most common: Possible
 FeasiblePossible
Pronunciation🇬🇧 //ˈfiːzəbl//🇺🇸 //ˈfizəbl//🇬🇧 //ˈpɒs.ə.bəl//🇺🇸 //ˈpɑː.sə.bəl//
MeaningPossible to do or make happen.Something that can happen or be done.
ExampleThe plan is not feasible given our current budget.It is possible to learn a new language.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB1A1
Part of speechadjective
Collocationsfeasible solution, feasible option, feasible plan, feasible proposal, feasible methodpossible outcome, possible solution, possible scenario
Antonymsinfeasible, impractical, unworkableimpossible, unfeasible
Common mistakesConfused with 'possible' — they are similar but not the same., Using 'feasible' to describe something impossible or unrealistic., Saying 'infeasible' instead of 'not feasible' incorrectly.Confused with 'impossible' which means not able to happen., Omitting 'is' when saying 'It is possible'., Using it with a negative without proper context, e.g. saying 'not possible' instead of 'impossible'.
Usage notesUse 'feasible' in business or academic contexts. Avoid in casual conversation or everyday situations.Use 'possible' when discussing things that could happen. Avoid it in very formal contexts.

See it in real clips

Possible

Frequently asked questions: Feasible vs Possible

What's the difference between Feasible and Possible?

Feasible: Possible to do or make happen. Possible: Something that can happen or be done.

Which is more common: Feasible and Possible?

Possible is the most common in everyday English.

Which is more advanced: Feasible and Possible?

Feasible is the highest level, at B1, on the CEFR scale.

Are Feasible and Possible the same CEFR level?

Feasible: B1, Possible: A1 on the CEFR scale.

Can you show an example of each?

Feasible: The plan is not feasible given our current budget. Possible: It is possible to learn a new language.

Can I use Feasible and Possible interchangeably?

Not always. Feasible and Possible 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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