out the window
Meaning
(idiomatic, colloquial) Made obsolete; altered drastically as a result of situational change.
(idiomatic, colloquial) Gone; departed; disappeared.
Source: en.wiktionary.orgSynonyms
Examples
A driver passing through a checkpoint at Coolangatta while holding a mobile phone out the window to show their border declaration pass. Using a mobile phone while driving usually attracts a $1000 fine and the loss of four demerit points.
A dog looks out the window of an RV as children play outside at the Lewis River RV Park in Woodland in May.
A much-loved lesson plan goes out the window when I realise that this moment I’ve constructed is not producing learning.
As we enter the holiday season, it may be tempting to throw our fears out the window.
And just like that, all his development was thrown out the window.
And just like that, thirteen years of community policing goes out the window.