11th commandment

plural 11th commandments · alternative 11th Commandment · alternative eleventh commandment · alternative Eleventh Commandment

1. idiomaticA well-known convention (often the most well-known of a certain field) which supposedly can not or should not be broken.

   Some of the accused did not know Basil’s real identity; the others stuck by the old-school criminal’s 11th commandment, “Thou shalt not grass.”

   2018 September 8, Duncan Campbell, “After the Hatton Garden heist: 'The actors will profit more than the criminals'”, in The Guardian, archived from the original on 30 Sep 2018

   1 more example

   A “hood,” he said, isn’t necessarily a neighborhood, adding that the same culture is seen on Wall Street, “where the 11th commandment is ‘Thou shalt not get caught.’ ”

   2016 September 29, Cathy Locke, “Philosopher Cornel West calls honesty, integrity ‘countercultural’”, in The Sacramento Bee, archived from the original on 30 Sep 2018

plural 11th Commandments

1. Alternative letter-case form of 11th commandment.