1. The state of being downcast.

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

• sowncastness,
• xowncastness,
• cowncastness,
• fowncastness,
• rowncastness,
• eowncastness,
• diwncastness,
• dkwncastness,
• dlwncastness,
• dpwncastness,
• d0wncastness,
• d9wncastness,
• doqncastness,
• doancastness,
• dosncastness,
• doencastness,
• do3ncastness,
• do2ncastness,
• dowbcastness,
• dowmcastness

• Castness,
• doneness,
• downcast,
• dust,
• disgust,
• dusk,
• downward,
• cost,
• done,
• coast,
• castle,
• cast,
• coarse.

The adjective form of the word "downcastness" is "downcast".

The plural form of the word "Downcastness" is "Downcastnesses"

The singular form of the word "Downcastness" is "downcast"