right, straightforward, directly, accurate, true, honest, aboveboard, neat, even, honorable, more...

curved, bent, crooked, winding, zigzag

ruler-straight, denim-straight, trouser-straight, bootcut-straight, more...

old, gay, full, inch, high, continue, right, left, young, long, aim

unmixed, at a mixer,   not crooked,   unmixed at a mixer,   hair types,   without curves,   clear lines,   is aligned,   right ahead,   linear shaped,   not curly