1. The state of being infirm.

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

• unfirmness,
• jnfirmness,
• knfirmness,
• onfirmness,
• 9nfirmness,
• 8nfirmness,
• ibfirmness,
• imfirmness,
• ijfirmness,
• ihfirmness,
• indirmness,
• incirmness,
• invirmness,
• ingirmness,
• intirmness,
• inrirmness,
• infirnness,
• infrmness,
• infermess,
• Infirminess

• unfairness.

The adjective form of the word "infirmness" is "infirm".

The plural of the "Infirmness" can be the "infirmnesses".

The singular of the "Infirmness" can be the "Infirmness".