24 probably synonyms include in all likelihood, in all probability, as likely as not, very likely, most likely, likely, as like as not, and doubtless. Probably is an adverb, and its antonyms are unlikely and certainly. Here are some additional synonyms for "probably" with example sentences.
24 other ways to say probably.
He probably forgot about meeting.
I will probably go tomorrow.
She will probably arrive late.
They’re probably already at home.