On the slant, in a slanting or sloping direction, obliquely.

Probably: from the side.

In an oblique direction, obliquely.

In a slanting, sloping, or oblique manner or direction; slantingly, aslant.

In an oblique direction or position; with deviation from the straight line or direct course; diagonally, or so as to make an oblique angle; slantwise.

Slantingly, obliquely.

With verbs of seeing, observing, or regarding. Chiefly in to look askance. From the corner of one's eye (in later use esp. surreptitiously)…

Astray; aside, to one side; in a slanting or sloping direction; obliquely; = aslant, adv.

Obliquely, diagonally; in a slanting direction or position; spec. on or along the bias of a textile (cf. bias, n. 1a). Cf. biasways, adv.

At an oblique angle; to one side; aside. In later use: out of the usual or correct position; crookedly, lopsidedly.

In an oblique manner, course, or direction; awry.

Obliquely, diagonally; at an angle. Now rare (U.S. in later use).

In a slanting manner.

Obliquely; askew, awry. Obsolete.

Off to one side; obliquely. ? Obsolete.

In a transversal manner, transversely, athwart.

In a position or direction between vertical and horizontal, i.e. that of a body slipping or falling away; as adj. Inclined, slanting, sloping; as adv.…

= slantwise, adv.

= askew, adv.

Slantwise. Cf. slantways, adv.