adjective, -li⋅er, -li⋅est, adverb | 1. | not likely to be or occur; improbable; marked by doubt. |
| 2. | holding little prospect of success; unpromising; likely to fail: He is an unlikely candidate for reelection. |
| 3. | not ingratiating; objectionable. |
| 4. | in an unlikely way. |