unlikeliness unlikelihood • unlikely · · · Info · Definitions · Synonyms · Antonyms · Characters · · unlikeliness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) the improbability of a specified outcome. Synonyms: unlikelihood. · · Noun Definition 1 Synonyms · · · unlikelihood · · Synonym 1 Antonyms · · · likelihood · · Antonym 0 likeliness · · Antonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075