byword
🇺🇸
/ˈbaɪwɜːrd/
🇬🇧
/ˈbaɪwɜːd/
A famous example of a certain characteristic or quality.
In our town, Mr. Smith is a byword for kindness because he helps everyone.
A word or phrase that is famous or often used.
"Just do it" is a byword that almost everyone recognizes.