1. A thing, or the conception of a thing, as it is in itself or to pure thought; the real under the phenomenal.

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

• boumenon,
• moumenon,
• joumenon,
• houmenon,
• niumenon,
• nkumenon,
• nlumenon,
• npumenon,
• n0umenon,
• n9umenon,
• noymenon,
• nohmenon,
• nojmenon,
• noimenon,
• no8menon,
• no7menon,
• numenon,
• nomenon,
• noumanon,
• Noumenan

• nonhuman.

The adjective form of the word "noumenon" is "noumenal".

The plural of the "noumenon" can be the "noumena".

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