"imaginary" is correct and usable in written English.
It can be used to describe something that exists only in the imagination, or is not real. For example, "I created an imaginary world full of fantastical creatures."
If it were, I'd have my pick of going out or to the gym, traveling home, cooking and still have a window of time to escape through a screen into whatever imaginary medieval/criminal/ New York-ad-industry world takes my fancy.
When my friends try to intellectually justify the likes of the humourless recent Batman films, I think of Charlie Brooker's imaginary magazine for simpletons, Shit Film Liker (cover: "Con Air 2: at last!").
Among his many idiosyncrasies – he spoke to the Guardian in March about his imaginary horse – is a quirky run-up, which he starts from a lunging position.
Looking at these imaginary shopping baskets over the past 70-odd years reveals the changing shopping and eating habits of postwar Britain - the products we have always adored, and those we left behind.
Now, is it just me or would you, when looking to run the entire country, base your plans around the imaginary desires of entirely fictitious people from Christmas telly adverts and their covetousness towards Le Creuset casseroles?
Unlike ghosts and monsters, usually presented as imaginary, adults go to great lengths to maintain the illusion of the portly gentleman in the red suit.
It can't be reduced to a single idea: it spans nationalist and even fascist elements but extends also to the idea of what Etienne Balibar calls égaliberté, freedom-in-equality, the unique contribution of Europe to the global political imaginary, even if it is in practice today mostly betrayed by European institutions and citizens themselves.
Some are like little cabinets of secrets, or imaginary rooms, cells or perhaps even coffins.
In committee, Democratic representative John Rusche asked his colleagues to set aside their "imaginary fears" of a threat to state sovereignty, but opponents of the bill said they felt the financial concerns tied up in the measure amounted to bullying and extortion by the federal government.
Then there are imaginary friends that are not hallucinations but vivid fantasies, which have been the subject of much adult hand-wringing over the years.
In 2010 George Osborne's palanquin was borne aloft by a host of imaginary porters, now vanished, one by one.
