1. That can not be imitated.

2. Matchless.

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

• insaitable,
• inivitable,
• insuitable,
• inimmitable,
• inebitable,
• inveitable,
• enivitable,
• invitable,
• inimatable,
• inavitable,
• unimitable,
• indimitable,
• inimiable,
• innimitable,
• inimitabble,
• inimitablee,
• inimitible,
• anihilable,
• inamiablee,
• iniritable

• inimitably.

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

The plural form of the word "inimitable" is "inimitables".

The singular form of the word "inimitable" is "inimitability"