retardation
noun
the act of retarding or state of being retarded.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In March, 1871, Paris had proclaimed that henceforward it would not wait for the retardatory portions of France: that it intended to start within its Commune its own social development.
From The Conquest of Bread by Petr Alekseevich Kropotkin, Prince