> as lemmas
uninvent
uninvent v.
Brit. 
/(ˌ)ʌnɪnˈvɛnt/
, /(ˌ)ʌnɪnˈvɛnt/U.S. /ˌənᵻnˈvɛnt/
/ˌənᵻnˈvɛnt/ΚΠ
1879 Vanity Fair 15 Mar. 145/1 Let us have no more inventions, and if there be a man of genius among you let him set to work to uninvent those which you have already.
1982 Church Times 22 Oct. 5/1 Nuclear weapons cannot be uninvented.
2012 Guardian 16 May (G2 section) 2/4 If I could have one wish from God it would be that Twitter would be uninvented.
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as lemmas