What are the antonyms for COLLINEAR?
 dishonest, changing, twisted, curved, different, corrupt, incontinuous, deceitful, threedimensional, unfair, intermittent, unjust, cubic, planar, level, uneven, untraditional, diluted, disorderly, twodimensional, indirect, broken, mixed, unconventional, untrustworthy, prone, horizontal, nonlinear, disordered, varying, disorganized.
Synonyms for COLLINEAR
 linear,
 fair,
 geodesic,
 second 1,
 interior angle,
 Bisector,
 minute 1,
 drop,
 alternate angle,
 solid,
 decent,
 gradient,
 undeviating,
 perpendicular,
 perfect,
 invariable,
 transverse,
 rectilinear,
 reasonable,
 rectilineal,
 prominent,
 straight angle,
 corresponding angles,
 nonstop,
 right,
 candid,
 supplementary angle,
 running,
 honest,
 simple,
 radian,
 uncurled,
 angular,
 beeline,
 slanted,
 smooth,
 supplementary,
 curvilinear,
 upright,
 sincere,
 sheer,
 through,
 vanishing point,
 asymptote,
 circuitous,
 appropriate,
 plumb,
 tangent,
 accurate,
 vertical,
 erect,
 bolt upright,
 complementary angle,
 obtuse,
 forthright,
 Glancing,
 level,
 grade,
 undistorted,
 blunt,
 reflex,
 collinear,
 corresponding angle,
 short,
 exact,
 inflexible,
 open,
 obliquely,
 square,
 indirect,
 oblique,
 unswerving,
 parallel,
 slant,
 acute,
 onedimensional,
 secant,
 true,
 precipitous,
 horizontal,
 in a row,
 like an arrow,
 in line,
 equilateral,
 righteous,
 cosecant,
 reflection,
 corner,
 transversal,
 axial,
 antinode,
 asymptotic,
 reflex angle,
 continuous,
 consecutive,
 faithful,
 projection,
 straight,
 in a line,
 near,
 nonstop,
 unbent,
 unrelieved,
 sine,
 direct,
 unbroken,
 adjacent angle,
 refraction,
 cotangent,
 uninterrupted,
 rightful,
 lineal,
 cross,
 tangential,
 proper,
 scalene triangle,
 immediate,
 diagonal,
 right angle,
 even,
 endpoint,
 orthogonal,
 successive,
 longitudinal,
 squarely,
 angle of incidence,
 straightforward.
Usage Examples for COLLINEAR

4. If a variable quadrangle move in such a way as always to remain inscribed in a fixed conic, while three of its sides turn each around one of three fixed collinear points, then the fourth will also turn around a fourth fixed point collinear with the other three.  "An Elementary Course in Synthetic Projective Geometry" by Lehmer, Derrick Norman