Unfluid

And presently Mrs. Arthur Moorhouse was to be seen waltzing with just that right amount of unfluid dignity, that regal stiffness that comes with middle age, a touch of rheumatism, and an evergrowing sense of one's own consequence.

The way we are taught in school is to gather facts and concepts, so that, in the end, we grow up with a very fixed and unfluid sense of how things are.

Naturally, the river wasn't wrinkled or creased at all— wrong words, implying something unfluid like skin, something unenduring, prey to age.