Adverb: probably pró-bu-blee
- With some degree of certainty (but not certain); more likely than not
"He is probably out of the country";
- likely, in all likelihood, in all probability, belike [archaic], prolly [slang], probs [informal]
- In a believable or convincing manner based on available evidence
"he will probably win the election";
- credibly, believably, plausibly, tenably
Encyclopedia: Probably