the quality or state of being strong; bodily or muscular power; vigor.
mental power, force, or vigor.
moral power, firmness, or courage.
power by reason of influence, authority, resources, numbers, etc.
number, as of personnel or ships in a force or body:
a regiment with a strength of 3000.
effective force, potency, or cogency, as of inducements or arguments:
the strength of his plea.
power of resisting force, strain, wear, etc.