Having a gray color with a silvery luster.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "silver-gray" in a sentence
"From there we worked up branch by branch, careful of slipping on the shiny-smooth silver-gray bark."
"The huge, gleaming, silver-gray vehicle caused confusion among the staff."
"Shadows everywhere, sharp and vicious, nothing but hungry mouths and gaping maws, silver-gray dorsals cutting through the water like living blades—coming for me."