Expected vs Supposed

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

Expected

Top 1,000 (very common)B1adjective

Supposed

Top 1,000 (very common)
 ExpectedSupposed
Pronunciation🇬🇧 /["/ɪkˈspektɪd/"]/🇺🇸 /["/ɪkˈspektɪd/"]/🇬🇧 //səˈpəʊzd//🇺🇸 //səˈpoʊzd//
Meaningthought to happen or arriveExpected or thought to be true.
ExampleDouble the expected number of people came to the meeting.He was supposed to arrive by noon but is still not here.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1-
Part of speechadjective
Collocationsexpected results, expected outcome, expected arrival, expected behaviorsupposed to be, is supposed to, was supposed to, supposed outcome, supposed purpose
Antonymsunexpected, unforeseenunfounded, unverified
Common mistakesConfusing with 'expecting' when referring to future actions., Using it incorrectly in the past tense as 'expecteded'.Confused with 'suppose', which is the verb form., Misused in past tense contexts where 'was supposed to' is needed., Used incorrectly as an adverb, such as 'supposedly'.
Usage notesUsed to express what is likely or anticipated. Appropriate in both spoken and written contexts, especially for formal plans or predictions.Use 'supposed' to express expectations or beliefs. It is suitable in both spoken and written contexts but may sound informal in some formal writing.

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Expected
Supposed

Frequently asked questions: Expected vs Supposed

What's the difference between Expected and Supposed?

Expected: thought to happen or arrive Supposed: Expected or thought to be true.

Can you show an example of each?

Expected: Double the expected number of people came to the meeting. Supposed: He was supposed to arrive by noon but is still not here.

Can I use Expected and Supposed interchangeably?

Not always. Expected and Supposed 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.