Definition of probably in English:

probably

Syllabification: prob·a·bly
Pronunciation: /ˈpräbəblē, ˈpräblē/

adverb

[sentence adverb]
Almost certainly; as far as one knows or can tell: she would probably never see him again “Would you recognize them?” “Probably.”
More example sentences
  • My legs were about to give way on me, my throat was dry and my eyes were probably the size of saucers.
  • It would probably be truer to say that he would be the first openly gay Prime Minister.
  • In fact, most of them probably aren't even aware that there is a field in front of them.
Synonyms
in all likelihood, in all probability, as likely as not, (very/most) likely, ten to one, the chances are, doubtless, no doubt
archaic like enough

Definition of probably in: