A straight line is a line that does not bend at all. The shortest distance between two points.
Geometry treats it as one of the basic undefined things everything else is built from. Drawing one freehand is surprisingly hard, which is why rulers exist. The phrase in a straight line means directly, and walking in a straight line is the traditional roadside test of sobriety. Comedy has the straight man, who sets up the joke, and that use comes from the same idea of not deviating.
1nounstraight lineA line with no curve or bend.
“Draw a straight line between the two marks.”
Practised in A Man Called Ove, Light & Shadow, Shapes & Lines
First appears in chapter 11 of A Man Called Ove.
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