slowness

noun

1.
unskillfulness resulting from a lack of training
awkwardness clumsiness ineptitude ineptness maladroitness
Derived from:
slow
2.
a rate demonstrating an absence of haste or hurry
deliberateness deliberation unhurriedness
Derived from:
slow
3.
lack of normal development of intellectual capacities
backwardness mental retardation retardation subnormality
Derived from:
slow