obsoletionn.
/ˌɒbsəˈliːʃn/, U.S. /ˌɑbsəˈliʃ(ə)n/ rare.
Obsolescence; obsoleteness.
ΘΚΠ
the world > action or operation > harm or detriment > disadvantage > uselessness > non-use > [noun] > falling out of use
passing away?c1425
obsoletion1804
desuetude1821
obsolescence1832
1804 W. Mitford Inq. Princ. Harmony Lang. (ed. 2) 140 Words and phrases..verging..toward obsoletion.
1817 J. Keats Let. in Wks. (1889) III. 98 Lamentation on the obsoletion of Christmas gambols and pastimes.
1979 D. Dunn Barbarians 22 He'd come Because that lady asked, although he'd sensed An obsoletion in the visit, an Overdone propriety of interest.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1804