perilousness perilously • perilsome · · · Info · Definitions · Synonyms · Characters · · perilousness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) the state of being dangerous. Synonyms: hazardousness. · · Noun Definition 1 Synonyms · · · hazardousness · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075