Read the dictionary definition of unlikely. All definitions for this word.
1. has little chance of being the case or coming about
1. an unlikely story
2. an unlikely candidate for reelection
3. a butcher is unlikely to preach vegetarianism
2. not likely to be true or to occur or to have occurred
1. legislation on the question is highly unlikely
2. an improbable event
3. having a probability too low to inspire belief