sibilant consonant sibilant • sibilantly · · · Info · Definitions · Synonyms · Characters · · sibilant consonant · · Text Common · · Latin · · Scripts 18 · · Length 6 · · Syllables Definitions · · · (noun) a consonant characterized by a hissing sound (like s or sh). Synonyms: sibilant, sibilant consonant. · · Noun Definition 1 Synonyms · · · sibilant · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 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 s latin small letter s U+0073 t latin small letter t U+0074