possibly possibly /ˈpɑːsəbli/

adverb

1. () By chance  ( mayhap [Archaic] , peradventure [Archaic] , perchance , maybe , perhaps , possibly )
   by chance
    Perhaps she will call tomorrow
   perhaps she will call tomorrow
    We may possibly run into them at the concert
   we may possibly run into them at the concert
    It may peradventure be thought that there never was such a time
   it may peradventure be thought that there never was such a time
   
2. To a degree possible of achievement or by possible means  ( possibly )
   to a degree possible of achievement or by possible means
    They can't possibly get here in time for the funeral?
   they can't possibly get here in time for the funeral?