Possibility vs Prospect

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

Possibility

Top 2,000 (common)A2noun

Prospect

Top 2,000 (common)B2noun
 PossibilityProspect
Pronunciation🇬🇧 /["/ˌpɒsəˈbɪləti/"]/🇺🇸 /["/ˌpɑːsəˈbɪləti/"]/🇬🇧 /["/ˈprɒspekt/"]/🇺🇸 /["/ˈprɑːspekt/"]/
MeaningSomething that might happen or be true.A person or situation that may become something better in the future.
ExampleThere is a possibility of rain tomorrow, so take your umbrella.The prospect of a promotion excites her every day at work.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelA2B2
Part of speechnounnoun
Collocationsexciting, interesting, intriguing, allow somebody, create, offer somebody, exist, remain, possibility for, possibility of, not beyond the bounds of possibility, within the realm of possibility, a number of possibilities, exciting, interesting, intriguing, allow somebody, create, offer somebody, exist, remain, possibility for, possibility of, not beyond the bounds of possibility, within the realm of possibility, a number of possibilitiesrealistic, reasonable, immediate, have, offer, in prospect, prospect of something, attractive, exciting, intriguing, be excited at, relish, welcome, bright, hot, top, bright, hot, top
Antonymsimpossibility, certaintycertainty, fact
Common mistakesConfusing 'possibility' with 'probability' (possibility is broader)., Using 'possibility' when a more definite word like 'surety' is needed., Incorrectly using it as a verb instead of a noun.Confused with 'perspective' — they have different meanings., Using 'prospect' to refer to past possibilities., Forgetting to use it as a noun.
Usage notesUse 'possibility' when discussing potential events or situations. It's suitable for both spoken and written language. Avoid informal contexts where simpler words may be more appropriate.Use 'prospect' in business contexts or discussions about future possibilities. Avoid using it in casual conversations as it may sound too formal.

Frequently asked questions: Possibility vs Prospect

What's the difference between Possibility and Prospect?

Possibility: Something that might happen or be true. Prospect: A person or situation that may become something better in the future.

Are Possibility and Prospect the same CEFR level?

Possibility: A2, Prospect: B2 on the CEFR scale.

Can I use Possibility and Prospect interchangeably?

Not always. Possibility and Prospect 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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