Meaning of “likely” - Learner’s Dictionary

likely

adjective uk us /ˈlaɪkli/
EXPECTED

B1 expected:

[ + to do sth ] Do remind me because I'm likely to forget.
[ + (that) ] It's likely that he'll say no.
TRUE

probably true:

the most likely explanation
→ Opposite unlikely

(Definition of “likely adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)