Roget's Thesaurus: Entry 246 (Straightness)

Make sure you have read the copyright information for this Project Gutenberg provided by, as well as the description -

#246. Straightness. -- N. straightness, rectilinearity[obs], directness; inflexibility &c. (stiffness) 323; straight line, right line, direct line; short cut.

V. be straight &c. adj.; have no turning; not incline to either side, not bend to either side, not turn to either side, not deviate to either side; go straight; steer for &c. (directions) 278.

render straight, straighten, rectify; set straight, put straight; unbend, unfold, uncurl &c. 248, unravel &c. 219, unwrap.

Adj. straight; rectilinear, rectilineal[obs]; direct, even, right, true, in a line; unbent, virgate &c. v[obs].; undeviating, unturned, undistorted, unswerving; straight as an arrow &c. (direct) 278; inflexible &c. 323.

laser-straight; ramrod-straight.