1. For nothing; without payment.

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

• gracios,
• grait,
• graid,
• graohs,
• grais,
• critis,
• graetist,
• graise,
• rhtis,
• gratest,
• grats,
• ratius,
• gratious,
• grnats,
• greatis,
• traitis,
• gratly,
• greatist,
• grafitis,
• gracius

• gritstone,
• grits,
• graticule,
• groats,
• grades,
• grotesque,
• Grafts,
• gritz,
• grates,
• crates,
• Grants,
• Rats,
• greatest.

The adjective form of the word "gratis" is "gratuitous".

The plural form of the word "gratis" is "gratuitous"

The singular form of the word "gratis" is "gratuitous"