1.
The state, property, or quality of being strong.
2.
The power to resist attack; impregnability.
3.
The power to resist strain or stress; durability.
4.
The ability to maintain a moral or intellectual position firmly.
5.
Capacity or potential for effective action: a show of strength.
6.
a. The number of people constituting a normal or ideal organization: The police force has been at half strength since the budget cuts. b. Military capability in terms of personnel and materiel: an army of fearsome strength.
7. a. A source of power or force. b. One that is regarded as the embodiment of protective or supportive power; a support or mainstay. c. An attribute or a quality of particular worth or utility; an asset.
8. Degree of intensity, force, effectiveness, or potency in terms of a particular property, as: a. Degree of concentration, distillation, or saturation; potency. b. Operative effectiveness or potency. c. Intensity, as of sound or light. d. Intensity or vehemence, as of emotion or language.
9. Effective or binding force; efficacy: the strength of an argument.
10. Firmness of or a continuous rising tendency in prices, as on the stock market.
11. Games. Power derived from the value of playing cards held.