straightest (adjective) straight: aligned; not curved
Sinonime: beeline, collinear,
consecutive,
continuous,
direct,
erect,
even, horizontal, in a line, in a row, in line,
inflexible, invariable,
level, like an arrow, lineal, linear,
near, nonstop,
perpendicular, plumb,
precipitous, rectilineal, rectilinear,
right,
running,
sheer,
short,
smooth,
solid,
square,
straightforward,
successive,
through,
true, unbent, unbroken, uncurled, undeviating, undistorted, uninterrupted, unrelieved, unswerving,
upright, vertical
Antonime: curved,
indirect,
twisted