I . a.
1.
Rectilinear, direct, short, near, right, undeviating, unswerving.
2.
Vertical, upright, erect, perpendicular, right.
3.
Tight, narrow, close. See strait .
4.
Just, fair, honorable, ~forward, honest, equitable.
II . ad.
Immediately, directly, forthwith, ~way, at once, without delay.