- The definition of desuetude is no longer being used.
An example of desuetude is the law concerning prohibition of alcohol which is no longer in use because it was repealed.
desuetude definition by Webster's New World
Origin: Middle English ; from Classical Latin desuetudo ; from desuetus, past participle of desuescere, to disuse ; from de-, from plush suescere, to be accustomed: see custom
desuetude definition by American Heritage Dictionary
Origin: French désuétude, from Latin dēsuētūdō, from dēsuētus, past participle of dēsuēscere, to put out of use : dē-, de- + suēscere, to become accustomed; see s(w)e- in Indo-European roots.