possibly
UK /ˈpɒs.ə.bli/ · US /ˈpɑ.sɪ.bli/ adverb
- adverb (modifying a clause or predicate) Perhaps; 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.”
- adverb (modifying a verb) In the realm of possibility; 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.”
Synonyms
potentially maybe perhaps mayhap mayhaps by chance perchance peradventure conceivably
Antonyms
impossibly inevitably certainly indubitably undoubtably undoubtedly no doubt
Etymology
From possible + -ly.
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “possibly”, CC BY-SA 4.0. Details