- 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An example of desuetude is the law concerning prohibition of alcohol which is no longer in use because it was repealed.
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
Used by arrangement with John Wiley & Sons, Inc.
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.