Fee'ble·ness noun The quality or condition of being feeble; debility; infirmity. « That shakes for age and feebleness .» Shak. Found on http://www.encyclo.co.uk/webster/F/16
noun the quality of lacking intensity or substance; `a shrill yet sweet tenuity of voice`- Nathaniel Hawthorne Found on https://www.encyclo.co.uk/local/20974