Webster's Revised Unabridged Dictionary · 1913

Obliquity

Obliquity (#) , noun

[Latin obliquitas: compare French obliquité.]

1.
The condition of being oblique; deviation from a right line; deviation from parallelism or perpendicularity; the amount of such deviation; divergence; as, the obliquity of the ecliptic to the equator.
2.
Deviation from ordinary rules; irregularity; deviation from moral rectitude.
To disobey [God]... imports a moral obliquity. — South