Ten meaning : A set or group with ten elements. A card in a given suit with a value of ten. A denomination of currency, such as a banknote, with a value of ten units. See also tenner. A perfect specimen, a physically attractive person. A high level of intensity. The act of rowing ten strokes flat out. The number occurring after nine and before eleven, represented in Arabic numerals (base ten) as 10 and in Roman numerals as X.