1. The quality or state of being slow; dulness; caution in deciding; tardiness.

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

• slopiness,
• sorness,
• shalowness,
• slowes,
• slowiness,
• louness,
• sllowness,
• salowness,
• slowmess,
• slownese,
• slownesss,
• slownes,
• slowless,
• aloness,
• sledomness,
• slefness,
• slopeness,
• ownless,
• soaness,
• Stoaness

• slowing,
• shallowness,
• slimness,
• sallowness,
• slanginess,
• slyness.

The adjective form of the word "slowness" is "slow".

The plural of the "slowness" can be the "slownesses".

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