1. Having many parts or sides
   - multilateral 
2. Having many aspects
   "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

• quondam
• Quonset hut
• quorate
• Quoratean
• Quorn
• quorum
• quota
• quotability
• quotable
• quotation
• quotation mark
• quote
• quoter
• quoth
• quotha
• quotidian
• quotient
• quotient verdict
• Quran
• qurush
• Québec
• Québécois
• qwerty
• QWERTY keyboard
• r