- formal the condition of not being in use or practice; disuse: those ceremonies had fallen into desuetude
WordReference Random House Unabridged Dictionary of American English © 2020
- the state of being no longer used or practiced.
- Latin dēsuētūdo, equivalent. to dēsuē-, base of dēsuēscere to become disaccustomed to, unlearn (dē- de- + suēscere to become accustomed to) + -tūdō -tude
- late Middle English 1425–75