Silvery definition is - having the luster of silver. How to use silvery in a sentence. Basque zilharr "silver" usually is considered a loan-word from West Germanic, but the Germanic form lately has been compared to old Celtic words used in Spain, and because the rest of Celtic uses the argentum word, this suggests the borrowing might be in the other direction, and Germanic word might be from "a Hispano-Celtic innovation due to an Iberian donor language. Define silvery. silvery synonyms, silvery pronunciation, silvery translation, English dictionary definition of silvery. adj. 1. Containing or coated with silver. 2. Resembling silver in color or luster: "A fountain threw high its silvery water" . 3. Having a clear, softly