1. plural of stoutness; the quality or state of being stout, sturdy, or robust
2. plural of stoutness; the quality of being thick or heavy in build

Examples

• The stoutnesses of the oak trees made them perfect windbreaks.
• Different materials have varying stoutnesses under stress.
• The bridge's multiple stoutnesses ensured its longevity.
• Engineers measured the stoutnesses of various support beams.
• The stoutnesses of the castle walls protected it from siege.
• Comparing the stoutnesses of different rope types was essential for safety.