knuckling knuckle under • knuckly · · · Info · Definitions · Characters · · knuckling · · Text Latin · · Script 9 · · Length 2 · · Syllables Definitions · · · (verb) press or rub with the knuckles. Synonyms: knuckle. · · Verb Definition 1 (verb) shoot a marble while keeping one's knuckles on the ground. Synonyms: knuckle. · · Verb Definition 2 Characters · · c latin small letter c U+0063 g latin small letter g U+0067 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 u latin small letter u U+0075