oblique

Short definition from Wiktionary

Adjective

1. 1
   Not erect or perpendicular; not parallel to, or at right angles from, the base.
2. 2
   Not straightforward; indirect; by implication; (sometimes even) obscure, ambiguous, or confusing.
3. 3
   Disingenuous; underhand; morally corrupt.
4. 4
   Not direct in descent; not following the line of father and son; collateral.
5. 5
   Having the base of the blade asymmetrical, with one side lower than the other.
6. 6
   Growing at an angle that is neither vertical nor horizontal.
7. 7
   Pertaining to the oblique case (non-nominative).
8. 8
   Indirect; employing the actual words of the speaker but as related by a third person, having the first person in pronoun and verb converted into the third person and adverbs of present time into the past, etc.
9. 9
   Employing oblique motion, motion or progression in which one part (voice) stays on the same note while another ascends or descends.

Noun

1. 1
   An oblique line.
2. 2
   Synonym of slash ⟨/⟩.
3. 3
   The oblique case.
4. 4
   The musculus obliquus externus abdominis or also obliquus internus abdominis.

Verb

1. 1
   To deviate from a perpendicular line; to become askew.
2. 2
   To march in a direction oblique to the line of the column or platoon; — formerly accomplished by oblique steps, now by direct steps, the men half-facing either to the right or left.
3. 3
   To slant (text, etc.) at an angle.