turtleneck turtle-mouthed • turtle-neck · · · Info · Definitions · Synonyms · Characters · · turtleneck · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) a sweater or jersey with a high close-fitting collar. Synonyms: turtle, polo-neck. · · Noun Definition 1 Synonyms · · · turtle · · Synonym 1 polo-neck · · Synonym 2 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075