A diagonal line is straight and sloping, not horizontal or vertical, for example joining two opposite corners of a square or other flat shape with four sides:
Diagonal
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Joining two not adjacent angles of a quadrilateral ormultilateral figure; running across from corner to corner; crossingat an angle with one of the sides. Diagonal bond (Masonry),herringbone work. See Herringbone, a.-- Diagonal built (Shipbuilding), built by forming the outer skin oftwo layers of planking, making angles of about 45º with the keel, inopposite directions.-- Diagonal cleavage. See under Cleavage.-- Diagonal molding (Arch.), a chevron or zigzag molding.-- Diagonal rib. (Arch.) See Cross-springer.-- Diagonal scale, a scale which consists of a set of parallellines, with other lines crossing them obliquely, so that theirintersections furnish smaller subdivisions of the unit of measurethan could be conveniently marked on a plain scale.-- Diagonal stratification. (Geol.) Same as Cross bedding, underCross, a.
Diagonal meaning & definition 1 of Diagonal.
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to be high on marijuana aka pot, reefer, gange, etc
Diagonal meaning & definition 2 of Diagonal.
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When double dating, the person you are not directly involved with.
Diagonal meaning & definition 3 of Diagonal.
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(of a straight line) joining two opposite corners of a square, rectangle, or other straight-sided shape.
Diagonal meaning & definition 4 of Diagonal.
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To be [retarded], stupid, bad
[Kinda] like “[wack]” or “ass”
Usually used with “fucking” in frontDiagonal meaning & definition 5 of Diagonal.