1. Belonging to you; it is used indefinitely, as

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• yoyur,
• toyour,
• youk,
• iyour,
• yuou,
• youtr,
• youe,
• yoyour,
• ypou,
• youou,
• yuor,
• youa,
• aour,
• uyour,
• ayour,
• voir,
• yofur,
• yorur,
• mayour,
• youga

• yore.

The adjective form of the word "your" is "your".

The plural form of the word "Your" is "Yours", as it does not change in the plural form.

The singular form of the word "Your" is "Your" itself. It is not a plural word, but rather a possessive pronoun that can be used both in the singular and plural form.