With the demise of Athenian democracy, it fell into desuetude, then oblivion

the degree in sociology and political economy that Pnin had obtained with some pomp at the University of Prague around 1925 had become by mid century a doctorate in desuetude

The question now is whether regulators will adopt and enforce classic rules in a digital age, or let them wither into desuetude

Perhaps the affair had sunk somewhat into desuetude

Why do they hover up there, letting their legs, the pride of dogs, fall into desuetude