Definition of "crustiest" []

• Superlative form of crusty: most crusty. (adjective)

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• "Alas it was not to be, but you'd better believe that even the crustiest of veteran scouts in the stands were pulling for the unimagineable."
• "This thing plays like a challenge to even the crustiest cynics."
• "We told her not to worry -- she had already won over some of our crustiest clients and she worked hard, was very efficient, and we figured we'd find a way to work something out."