probably meaning and definition

PROBABLY adverb

Definition of probably (adverb)

1. with considerable certainty; without much doubt
   • "He is probably out of the country"; "in all likelihood we are headed for war"
   • synonyms: belike, in all likelihood, in all probability, likely
2. easy to believe on the basis of available evidence
   • "he talked plausibly before the committee"; "he will probably win the election"
   • synonyms: believably, credibly, plausibly
   • antonym: implausibly