The characteristic of being defenseless; vulnerability.(noun)
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Use "defenselessness" in a sentence
"This position of defenselessness is a position which no free people should ever occupy."
""The KMT legislature blocked Taiwan's military procurements during the Chen Shui-bian (陳水扁) years, and thus ensured Taiwan's long-term defenselessness against China."
""No. Although the law makes her helpless in my hands, to me her defenselessness is her best defense.""