1580s, "made of steel," from steel (n.) + -y (2). Figurative meaning "hard and cold as steel" is from c. 1500. Related: Steeliness.
steely nerves like those of a steeplejack
steely eyes
steamy
stearin
steatopygia
steed
steel
steely
steenbok
steep
steepen
steeple
steeplechase
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