You can define a thing in many ways, especially when it’s an abstract concept (“terrorism”, “democracy”, “British values”…). You can define to persuade, by emphasising features you believe people will find desirable (or, in some cases, undesirable). Alternatively, you can define to exclude, emphasising features some people will find it impossible to sign up to. You can even define to provoke, emphasising features some people will positively object to; this is particularly effective when other listeners aren’t in on the disagreement in question, and are thus faced with the unattractive sight of a minority making a fuss about nothing.

A more radical approach, and one which New Labour is particularly fond of, is the un-definition or anti-definition. Read More