Feasible vs Viable

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

 FeasibleViable
MeaningPossible to do or make happen.Able to work or succeed.
CEFR levelB1C1
Part of speechadjective
Usage notesUse 'feasible' in business or academic contexts. Avoid in casual conversation or everyday situations.Use 'viable' when discussing options or plans that are practical and achievable. Avoid in very casual contexts; it sounds more professional.

Frequently asked questions: Feasible vs Viable

What's the difference between "Feasible" and "Viable"?

"Feasible" means: Possible to do or make happen. "Viable" means: Able to work or succeed.

When should I use "Feasible" and "Viable"?

They can all be used in everyday English.

Are "Feasible" and "Viable" the same CEFR level?

"Feasible" is at B1, "Viable" is at C1 on the CEFR scale.