Meaning & use
possibly
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Meanings
adverbnot comparable
Used to say that something may be true or may happen, but you are not sure.
Grammar: Often sits before the main verb or at the start of the sentence: we will possibly leave early.
Patterns
- possibly + verb
- Possibly, + clause
We could possibly finish by Friday if nothing goes wrong.
She is possibly the youngest player on the team.
"Will you come?" "Possibly, if the weather improves."
adverbnot comparable
Used with can or could to stress that something is within what is able to be done, usually in a negative or polite request.
Grammar: Goes after can or could: I can't possibly accept, or Could you possibly help?
Patterns
- can't possibly do something
- could you possibly do something
I can't possibly eat any more.
Could you possibly lend me your pen?
How could he possibly have known about the surprise?
Common combinations
- can't possibly
- You can't possibly be serious.
- could possibly
- It could possibly rain this afternoon.
- possibly the best
- This is possibly the best meal I have ever had.
- if at all possibly
- Please come early, if at all possibly.
- could you possibly
- Could you possibly open the window?
Synonyms and how they differ
- perhaps
- Perhaps is the most common word for uncertainty and usually sits at the start of a sentence, while possibly often sits next to a verb.
- maybe
- Maybe is more casual and works well on its own as an answer, whereas possibly sounds slightly more formal.
- conceivably
- Conceivably suggests something that could be imagined but is rather unlikely, a weaker chance than possibly.
- potentially
- Potentially points to what could develop in future, rather than to uncertainty about a fact.
Opposites
Word family
- possible adjective
- able to happen or be done
- possibility noun
- a thing that may happen
- impossible adjective
- not able to happen
- impossibly adverb
- to an extreme degree
Commonly confused: possibly or probably?
possibly vs probably
Probably means more likely than not, while possibly only means there is some chance.
Practice
Which sentence uses 'possibly' to mean 'it is not certain'?
Choose one answer.
In 'might possibly win', possibly shows uncertainty. The first two use possibly to emphasize inability or to make a polite request, and the last is not grammatical.
Make it your own
Write a sentence using “possibly”, then check it and compare it with the examples above.