Wiktionary
demonetise
alt. To remove the status of legal tender from a coin etc. and remove it from circulation. vb. To remove the status of legal tender from a coin etc. and remove it from circulation.
WordNet
demonetise
v. deprive of value for payment; "demonetize a coin" [syn: demonetize]
Usage examples of "demonetise".
But these days it seemed to me that sex between Sundara and me was irrelevant, inappropriate, an obsolete interchange in a demonetised currency.