mirrorlike
/ˈmɪrlɪkaɪk/Definitions
1. adjective
resembling or characteristic of a mirror, especially in having a smooth and unbroken surface that reflects images
“The mirrorlike stillness of the lake was a perfect reflection of the surrounding landscape.”
2. noun
a quality or feature that is similar to a mirror, especially in being reflective or smooth
“The mirrorlike quality of the water made it seem like a perfect mirror.”