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Use "flexibleness" in a sentence
"The free ride board is best used when it is used in combination with soft and tall footwear, it is no so broad and a but chunkier than the freestyle model, thus with less flexibleness."
"One of my biggest regrets is tolerating, in the name of patience, and in the name of flexibleness, someone who frequented our home when our children were young."
"The flexibleness of the former part of a mans age, not yet grown up to be headstrong, makes it more governable and safe; and in the afterpart, reason and foresight begin a little to take place, and mind a man of his safety and improvement."