1. A thing that has not its equal.

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

• nosuch,
• bonesuch,
• monesuch,
• jonesuch,
• honesuch,
• ninesuch,
• nknesuch,
• nlnesuch,
• npnesuch,
• n0nesuch,
• n9nesuch,
• nonersuch,
• nonesauch,
• noneesuch,
• nonsuch,
• noneuch,
• nonasuch,
• nonsauch,
• CONeSUPO,
• Nonettoh

• nonechoic,
• nonsuch.

The adjective form of the word "nonesuch" is "nonesuch". The word itself can function as both a noun and an adjective.

The plural form of "nonesuch" is "nonesuches".

The singular form of the word "nonesuch" is "nonesuch". It is a noncount noun, meaning it does not have a distinct plural form.