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Use "spryness" in a sentence
"Grandma wasn't nearly so big -- indeed she wasn't much taller than Missy herself; and she was proud of her activity -- her "spryness," she called it."
""Who are you?" said Mrs. Somers, dipping a cup in the hot water and wiping it with a 'spryness' that was quite imposing."
"This would explain Sarah Jane Smith's relative spryness."