Noah Webster
Obliquity
OBLIQ'UITY, noun [Latin obliquitas.]
1. Deviation from a right line; deviation from parallelism or perpendicularity; as the obliquity of the ecliptic to the equator.
2. Deviation from moral rectitude.
To disobey God or oppose his will in any thing imports a moral obliquity
3. Irregularity; deviation from ordinary rules.