Definition of strength:
the property of being physically or mentally strong; "fatigue sapped his strength"
capability in terms of personnel and materiel that affect the capacity to fight a war; "we faced an army of great strength"; "politicians have neglected our military posture"
physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
an asset of special worth or utility; "cooking is his forte"
the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty; "the strength of his argument settled the matter"
the amount of energy transmitted (as by acoustic or electromagnetic radiation); "he adjusted the intensity of the sound"; "they measured the station's signal strength"
capacity to produce strong physiological or chemical effects; "the toxin's potency"; "the strength of the drinks"
the condition of financial success; "the strength of the company's stock in recent weeks"
permanence by virtue of the power to resist stress or force; "they advertised the durability of their products"