Byword
A name or short phrase that has become a common shorthand for a particular quality or condition.
A byword is a word or short phrase that, through long use, has come to stand for a whole category of thing — usually a vice, a virtue, or a fate. The Old English biword literally meant 'a word by' or 'alongside', suggesting a saying attached to a person or place as a kind of unshakeable label.
The King James Bible uses the word in its harsher sense: 'And thou shalt become an astonishment, a proverb, and a byword, among all nations' (Deuteronomy 28:37). Here the byword is a fate — to have your name repeated as a warning. The gentler modern use survives too: Croesus is a byword for wealth, Judas for betrayal, Solomon for wisdom, Waterloo for defeat.
The mechanism is metonymy — a specific instance stands in for the general category (see the entry on metonymy). What makes something a byword rather than a passing allusion is durability: the association has to survive the moment that produced it, so that the name works as shorthand even for readers who no longer remember the story.
Writers should use bywords sparingly and precisely. 'A Waterloo' is only useful when the loss really is total and unexpected; used for any setback, it wears through in a paragraph. A well-placed byword saves a sentence; a badly placed one dates it.
“His name was a byword for treachery.”
Keep reading the glossary
Calling something by the name of an associated thing — 'the crown' for 'the monarchy'.
A phrase or quote so overused that it has lost most of its force.
An indirect reference to another text, person, event, or work — often quoted.
A descriptive phrase attached to a name to characterise the person or thing named.