atilt

At an angle from the vertical or horizontal.

The child listened, her head atilt.

When I came to the river, I ached in sympathy with the shipping painfully atilt on the rock-like surface of the brine, which broke against the piers, and sprayed itself over them like showers of powdered quartz.

At an angle from the vertical or horizontal; at the point of falling over.

He wore his hat rakishly atilt.

Ale should not be drunk under five dayes old; new Ale is unwholsome, sowre Ale, and dead, and Ale which do stand atilt is most unwholesome.

Tilting or as if tilting (charging with a lance, like a knight on horseback in a joust).

to run / ride atilt at someone or something

What will you do, good grey-beard? break a lance, And run a tilt at death within a chair?

Diagonally over or across.

A butterfly flew into the garden, danced a stately minuet mid-air, courtsied, and settled atilt the top rail of the old “snake fence.”

1982, Jean Scott Wood Creighton (as J. S. Borthwick), The Case of the Hook-billed Kites, New York: St. Martin’s Press, Chapter 11, p. 29, [He] was balanced atilt a wooden chair, his legs resting on a low file cabinet.