I. ō-ˈblēk, ə-, -ˈblīk; military usually ī adjective
Etymology: Middle English oblike, from Latin obliquus
Date: 15th century
1.
a. : neither perpendicular nor parallel : inclined
b. : having the axis not perpendicular to the base
an oblique cone
c. : having no right angle
an oblique triangle
2.
a. : not straightforward : indirect ; also : obscure
b. : devious , underhanded
3. : situated obliquely and having one end not inserted on bone
oblique muscles
4. : taken from an airplane with the camera directed horizontally or diagonally downward
an oblique photograph
• oblique·ly adverb
• oblique·ness noun
II. noun
Date: circa 1608
1. : something (as a line) that is oblique
2. : any of several oblique muscles ; especially : any of the thin flat muscles forming the middle and outer layers of the lateral walls of the abdomen
III. adverb
Date: 1687
: at a 45 degree angle
to the right oblique , march