Lionel Shriver identifies some words and phrases she dislikes here.
I don't disagree with her, but if you really pinned me down to choosing only one word that I would prefer never to see again, I would have to pick "ontological". Try this piece and tell me that you don't begin to dread "ontological" looming ahead for the three hundredth time, yet another Becher's Brook and you stuck in the Grand National of pompous pronouncement where "foreground" has somehow become a verb.