Noun
straight line (plural straight lines)
(geometry) A line with no curvature; a line with constant direction. The path of shortest length between two points.
Synonym: line
straight-line
A modern democracy is a tyranny whose borders are undefined; one discovers how far one can go only by traveling in a straight line until one is stopped. Norman Mailer
The straight line belongs to Man. The curved line belongs to God. Antoni Gaudí
Clouds are not spheres, mountains are not cones, coastlines are not circles, and bark is not smooth, nor does lightning travel in a straight line. Benoît Mandelbrot
The straight line is godless and immoral. Friedensreich Hundertwasser
I like science and I love gym. Oh, and I like art, but I'm really bad at it. I'm just a terrible drawer. I can't draw a circle. Even with a ruler, I can't draw a straight line. Daniel Radcliffe
The shortest distance between two points is a straight line. American Proverb