WordWeb Online

1. Having similarity in size, shape, and relative position of corresponding parts
   - symmetric
    
2. Exhibiting equivalence or correspondence among constituents of an entity or between different entities
   - harmonious, proportionate

See also: balanced, bilateral, bilaterally symmetric, bilaterally symmetrical, biradial, centrosymmetric, cruciate, cruciform, even, interchangeable, isobilateral, isosceles, parallel, radial, radially symmetrical, radiate, regular, rhombohedral, stellate, trigonal

Antonym: asymmetric

Encyclopedia: Symmetrical