Definition of "Lowness" :

noun: a low or small degree of any quality (amount or force or temperature etc.)

"He took advantage of the lowness of interest rates."

noun: the quality of being low; lacking height

"He was suddenly aware of the lowness of the ceiling."

noun: a feeling of low spirits

"He felt responsible for her lowness of spirits."

noun: a position of inferior status; low in station or rank or fortune or estimation