WordWeb Online

1. Having many parts or sides
   - multilateral
    
2. Having many aspects or qualities
   "a many-sided subject";
   - multifaceted, miscellaneous, multifarious
    
3. Full of variety or interest
   "a many-sided personality"

See also: bilateral, bipartite, colorful [US], colourful [Brit, Cdn], deep-lobed, eight-sided, eleven-sided, five-lobed, five-sided, four-lobed, four-party, four-sided, joint, many-lobed, multipartite, nine-sided, palmately-lobed, quadrilateral, quadripartite, seven-sided, six-sided, ten-sided, tetramerous, three-cornered, three-lobed, three-party, three-sided, three-way, triangular, trilateral, tripartite, twelve-sided, two-lobed, two-part, two-sided, two-way, varied