1. Unskillfulness resulting from a lack of training
   - awkwardness, clumsiness, ineptness, maladroitness, slowness, cack-handedness [Brit] 
2. Having no qualities that would render it valuable or useful
   - worthlessness

Derived forms: ineptitudes

Type of: quality, unskilfulness [Brit, Cdn], unskillfulness [N. Amer]

• substantia alba
• substantia grisea
• substantia nigra
• substantial
• substantialise
• substantiality
• substantialize
• substantially
• substantialness
• substantiate
• substantiating
• substantiation
• substantiative
• substantival
• substantive
• fullback
• fuller
• fuller's earth
• fuller's teasel
• fullerene
• fullness
• fully
• fully fashioned
• fully fledged
• fully grown