The ability to maintain a moral or intellectual position firmly. The state, property, or quality of being strong. The power to resist attack; impregnability. The power to resist strain or stress; durability. Capacity or potential for effective action: a show of strength. The number of people constituting a normal or ideal organization: The police force has been at half strength since the budget cuts. Military capability in terms of personnel and materiel: an army of fearsome strength. A source of power or force. One that is regarded as the embodiment of protective or supportive power; a support or mainstay. An attribute or quality of particular worth or utility; an asset. Degree of intensity, force, effectiveness, or potency in terms of a particular property, as: Degree of concentration, distillation, or saturation; potency. Operative effectiveness or potency. Intensity, as of sound or light. Intensity or vehemence, as of emotion or language. Effective or binding force; efficacy: the strength of an argument. Firmness of or a continuous rising tendency in prices, as on the stock market. Games Power derived from the value of playing cards held. on the strength of On the basis of: She was hired on the strength of her computer skills.