straightlined
1rectilineal — a.; (also right lined) Right lined, Straight, straightlined …
2unbent — adj 1. unbowed, uncurved, unhunched; straight, direct, undeviating, unswerving; linear, lineal, in a line; straightaway, straightlined, straight as an arrow, virgate; vertical, square, plumb. 2. undefeated, unbeaten, standing, surviving …