unlikely
un·li·kely
adjective
1.
2.
3.
having a probability to low to inspire belief
Origin
From Middle English unlykely, unlikly, unlykly, unlicli. By surface analysis, un- + likely.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.