code word

noun

1. code name.
2. a euphemistic or politically acceptable catchword or phrase used instead of a blunter or less acceptable term:

   The official report said the diplomats had a “frank and serious discussion”—code words for “angry argument.”

Word History and Origins

Origin of code word¹

First recorded in 1880–85

Example Sentences

The scheme enables people to signal for help at the bar by using the code word "Angela".

From BBC

In total, 13 of the 25 venues visited failed to respond appropriately to the Angela code word.

From BBC

But secret filming by BBC researchers found that in half of the London venues they visited, including major chains, staff failed to respond to the code word.

From BBC

Our investigation found staff at large chains including Greene King, JD Wetherspoon and Simmons were among those who did not recognise the code word.

From BBC

These were not isolated incidents - 13 of the 25 venues we visited failed to respond appropriately to the Angela code word.

From BBC