1. A N. Indian dialect.

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

• hindhi,
• hidi,
• gondi,
• hyundi,
• hidie,
• hsnd,
• cinda,
• indi,
• chind,
• cindi,
• hinden,
• lhind,
• hande,
• handit,
• handi,
• ehind,
• hunni,
• ghandi,
• hindge,
• hyndai

• hindoo,
• hinder,
• hand-,
• hint,
• hinde,
• hindu,
• handy,
• hand,
• hind.

The adjective form of the word "Hindi" is "Hindian".

The plural form of the word "hindi" is "hindis".

The singular form of the word "hindi" is "Hindi". Hindi is both the name of an Indian language and an ethnic group in India, and it remains the same in both singular and plural forms.