0 used to say that someone claims to be a particular thing, especially when you do not accept that person's claim. Soi-disant comes from French: --
Fanzines enabled fans to write not only about science fiction but about fandom itself and, in soi-disant perzine (i.e. "per" sonal "zine"), about themselves.
It traces these soi-disant barons in an appendix.
The position remains unchanged: that is to say, a soi-disant government, illegal, not recognised by us or, indeed, by any other country in the world.
Those who argue in this way have mesmerised themselves into accepting their own subjective judgments, simply because those judgments are dressed up in a soi-disant mathematical equation.
I think it is only right that railwaymen should realise that that is the attitude of their soi-disant friends.
The soi-disant quality newspapers are sprouting business sections, so there is a great demand for business journalists.