desuetude

[ des-wi-tood, -tyood ]
/ ˈdɛs wɪˌtud, -ˌtyud /

noun

the state of being no longer used or practiced.

Origin of desuetude

1425–75; late Middle English < Latin dēsuētūdo, equivalent to dēsuē-, base of dēsuēscere to become disaccustomed to, unlearn (dē- de- + suēscere to become accustomed to) + -tūdō -tude
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Examples from the Web for desuetude

British Dictionary definitions for desuetude

desuetude
/ (dɪˈsjuːɪˌtjuːd, ˈdɛswɪtjuːd) /

noun

formal the condition of not being in use or practice; disusethose ceremonies had fallen into desuetude

Word Origin for desuetude

C15: from Latin dēsuētūdō, from dēsuescere to lay aside a habit, from de- + suescere to grow accustomed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012