Synonyms of collinear

1 Syllable

short, right, smooth, sheer, straight, plumb, true, through, near

2 Syllables

level, even, nonstop, lineal, erect, unbent, direct, linear, square, upright, straightest, solid, running, straighter

3 Syllables

straightforward, uncurled, beeline, unbroken, unswerving, vertical, continuous

4 Syllables

invariable, horizontal, rectilineal, rectilinear, unrelieved, inflexible, undeviating, precipitous, successive, undistorted

5 Syllables

consecutive, perpendicular, uninterrupted