dead straight
- straightNot curved or crooked
- arrowPointed shaft for shooting
- beelineMost direct course
- laserConcentrated light device
- rulerOne who governs
unbending · rigid · precise · accurate · true · level · plumb · unwavering · direct · line · highway · corridor · razor · taut · stretched · aligned · flush · even
linearity/curvature
dead straightcrooked
Bent or dishonest
curved · winding · bent · serpentine · sinuous
directness of route
dead straightroundabout
Circular junction for traffic
circuitous · indirect · meandering · winding · tortuous