low probability
- unlikelyNot apt to happen
- improbableNot likely true
- remoteDistant or controller
- slimThin or meager
- rareSeldom found or seen
longshot · chance · odds · fluke · miracle · outside · doubtful · faint · negligible · snowball · gamble · freak · wishful · impossible · hopeless · moonshot · lottery · streak
likelihood
low probabilitylikely
Having good odds
probable · good chance · odds-on · expected · fair chance
certainty/confidence
low probabilitycertainty
Total absence of doubt
sure thing · guaranteed · inevitable · foregone conclusion · dead cert