possibly

/ˈpɑsəbli/
adverb
  1. Used to say that something may be true or may happen; perhaps.
    • She is possibly the best singer in the school.
    • Possibly it will rain later, so take a coat.
    • The meeting might possibly be canceled due to the storm.
  2. Used with 'can' or 'could' to emphasize that someone has tried very hard or that something is difficult to do.
    • He couldn't possibly have known about the surprise party.
    • How could anyone possibly eat that much food?
    • I can't possibly finish all this work by noon.
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What does "possibly" mean? | whatsthatwordmean | whatsthatwordmean