Definition of "duty-bound" [duty-bound]

• Alternative spelling of dutybound. (adjective)

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• "The weather Saturday and Sunday was very warm (actually made the low 90s F on Sunday), and we felt duty-bound to get out of the house."
• "It is true that fee-based advisers have fewer conflicts of interest than the typical broker, and it is true that fiduciaries are duty-bound to act in more-responsible ways than, say, my ex-brokerage house, Merrill Lynch."
• "As the Iranian regime and Maliki keenly await another opportunity to perpetrate more crimes against Ashraf residents, the US is duty-bound to reassume their protection in line with its obligations under the Fourth Geneva Convention."