Definition of "steepened" [steepened]

• Simple past tense and past participle of steepen. (verb)

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• "At the same time, credit curves have steepened, which is a bullish sign."
• "Analysts say that has steepened the ascent of production costs, which Correa estimated at close to 22 cents a pound now."
• "Friday, the curve steepened, as the 30-year yield didn't fall as sharply as shorter-term maturities."