Antonyms of adj trigonal

1 sense of trigonal

Sense 1
rhombohedral, trigonal -- (having threefold symmetry)

INDIRECT (VIA symmetrical) -> asymmetrical, asymmetric -- (characterized by asymmetry in the spatial arrangement or placement of parts or components)

Similarity of adj trigonal

1 sense of trigonal

Sense 1
rhombohedral, trigonal -- (having threefold symmetry)
       => symmetrical (vs. asymmetrical), symmetric -- (having similarity in size, shape, and relative position of corresponding parts)