1. Not arable.

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

• insurable,
• incerable,
• inerable,
• unarable,
• jnarable,
• knarable,
• onarable,
• 9narable,
• 8narable,
• ibarable,
• imarable,
• ijarable,
• iharable,
• inzrable,
• inwrable,
• inqrable,
• inaeable,
• Inarible,
• inverable,
• inorable

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

The plural form of the word "Inarable" is "Inarables".

The singular form of the word "Inarable" is "Inarable" itself. It is an adjective that does not change in form to indicate singular or plural.