1. Not likely to be true or to occur or to have occurred
   "legislation on the question is highly unlikely";
   - improbable
    
2. Has little chance of being the case or coming about
   "a butcher is unlikely to preach vegetarianism"; "an unlikely story"; "an unlikely candidate for reelection"
    
3. Having a probability too low to inspire belief
   "It seemed unlikely that she would finish the project on time";
   - improbable, unbelievable, unconvincing, doubtful

Derived forms: unlikeliest, unlikelier

See also: farfetched, far-fetched, imaginative, implausible, last, likelihood, likeliness, outside, remote, supposed

Antonym: likely

Encyclopedia: Unlikely