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"coppery" is also used as a crossword clue. If that's what you saw, the answer is often reddish (7 letters).
Definitions
of something having the color of copper
Word origin
From copper + -y.
Used in a sentence
“That night I dreamed I had a very disagreeable taste in my mouth, which caused me to spit all the time. I awoke and found my mouth full of saliva, with a coppery taste, and sure enough, I was obliged to spit.”
“an especially coppery grade of brass”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Like red metal”7 letters
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