Antonyms of adj nonintersecting

1 sense of nonintersecting

Sense 1
nonconvergent, nonintersecting -- ((of lines, planes, or surfaces) never meeting or crossing)

INDIRECT (VIA oblique, parallel) -> perpendicular -- (intersecting at or forming right angles; "the axes are perpendicular to each other")
INDIRECT (VIA parallel, perpendicular) -> oblique -- (slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; "the oblique rays of the winter sun"; "acute and obtuse angles are oblique angles"; "the axis of an oblique cone is not perpendicular to its base")

Similarity of adj nonintersecting

1 sense of nonintersecting

Sense 1
nonconvergent, nonintersecting -- ((of lines, planes, or surfaces) never meeting or crossing)
       => parallel (vs. perpendicular) (vs. oblique) -- (being everywhere equidistant and not intersecting; "parallel lines never converge"; "concentric circles are parallel"; "dancers in two parallel rows")