fifteenth means the ordinal form of the number fifteen. Lexicurio rates it Rare gem — a strength score of 71 out of 100.
fifteenth is pronounced /ˌfɪfˈtiːnθ/.
Etymology
Inherited from Middle English fiftenthe, fiftethe, from Old English fīftēoþa, equivalent to fifteen + -th.
adj
- The ordinal form of the number fifteen.
noun
- The person or thing in the fifteenth position.
- One of fifteen equal parts of a whole.
- The interval comprising two octaves.