The phrase "ingenious design" refers to a clever and creative way of creating or inventing something. It means that the design is smart, original, and innovative. Full definition
Mirrors like this one are invaluable for their dynamic style, handy reflection and ingenious design for making a space feel bigger and brighter. (potterybarn.com)
It uses modern construction techniques combined with ingenious design to make stylish and practical baby strollers for demanding parents and babies. (strollerdiva.com)
What we love about it is its truly ingenious design although its kibble - only packaging is quite a drawback. (mypetneedsthat.com)