- by any possible means; in any case: it can't possibly work
- by some possibility; perhaps; maybe: it may possibly be so
- Perhaps: He hesitated, possibly remembering his unsuccessful last attempt.
- Conceivably: Could they possibly be here already?
- Under any circumstances: I can't possibly do it.
(comparative more possibly, superlative most possibly)
- (modifying a clause or predicate) Indicates that the proposition may be true (is not certainly false) regardless of any facts or circumstances known to, stated by or implied by the speaker.
- Possibly, they will make gains in the midterm elections.
- It was possibly the costliest mistake in the organization's history.
- This rare and possibly unique specimen must be conserved.
- (modifying a verb) Indicates that the action may successfully be performed (is not impossible) regardless of any facts or circumstances known to, stated by or implied by the speaker that might limit the performance.
- I'm much stronger than you, so you can't possibly win.
- I couldn't possibly be there on time.
- I couldn't possibly cheat on my wife.
- It seems unlikely, but, yes, they could possibly win even now.
- The police don't know him, and the information they have leads them to think he could possibly have murdered his wife.