want of firmness.

Weakness of a material structure. Obsolete.

Absence of solidity; want of firmness or stability; frailty, flimsiness, weakness.

The quality of being physically or materially unsound. Also figurative.

Physical softness or delicacy; fragility; inability to stand rough usage; weakness, frailty; †youthfulness (obsolete); effeminacy, womanishness.

The quality of being flimsy.

Lack of solidity or density; flimsiness, lightness. rare.