Definition of "hard-mouthed" [hard•-mouthed]

• Not sensible to the bit; not easily governed. (adjective)

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• "The show stars Denis Leary, a hard-mouthed, alcoholism-fighting father of three."
• "It is important also to observe whether the jaws are soft or hard on one or other side, since as a rule a horse with unequal jaws20 is liable to become hard-mouthed on one side."
• "He could not bear women who threw their shoulders and eyes at you, and chattered away; or hard-mouthed women who laid down the law and knew more than you did."