The state or condition of being defenceless.(noun)
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Use "defencelessness" in a sentence
"This commitment is the seamless garment for Christian living, and it means that all, but especially those who suffer from defencelessness and vulnerability of any kind, poverty, disease and conflict, have a right to a special place in our hearts and in the heart of the Church."
"Depression, with the passive and timid attitude in the individual with which if is associated, serves to transmit an identical message of surrender and defencelessness to potential aggressors."
"So now they have torn and are dragging me from the altar of Thetis, the goddess of thy chiefest adoration and the mother of thy gallant son, without any proper trial, yea, and without waiting for my absent master; because, forsooth, they knew my defencelessness and my child's, whom they mean to slay with me his hapless mother, though he has done no harm."