Adverb
1. by chance;
"perhaps she will call tomorrow""we may possibly run into them at the concert""it may peradventure be thought that there never was such a time"2. with a possibility of becoming actual;
"introducing possibly dangerous innovations""he is potentially dangerous""potentially useful"3. in a manner or to a degree possible of conceiving;
"is it possibly true?"4. to a degree possible of achievement or by possible means;
"they can't possibly get here in time for the funeral?"