What does "strength" mean?

Strength: Power to resist force; solidity or toughness; the quality of bodies by which they endure the application of force without breaking or yielding; -- in this sense opposed to frangibility; as, the strength of a bone, of a beam, of a wall, a rope, and the like. "The brittle strength of bones." Milton.

Additional senses

  1. 2.Power of resisting attacks; impregnability. "Our castle's strength will laugh a siege to scorn." Shak.
  2. 3.That quality which tends to secure results; effective power in an institution or enactment; security; validity; legal or moral force; logical conclusiveness; as, the strength of social or legal obligations; the strength of law; the strength of public opinion; strength of evidence; strength of argument.
  3. 4.One who, or that which, is regarded as embodying or affording force, strength, or firmness; that on which confidence or reliance is based; support; security. God is our refuge and strength. Ps. xlvi.
  4. 5.What they boded would be a mischief to us, you are providing shall be one of our principal strengths. Sprat. Certainly there is not a greater strength against temptation. Jer. Taylor.
  5. 6.Force as measured; amount, numbers, or power of any body, as of an army, a navy, and the like; as, what is the strength of the enemy by land, or by sea 7. Vigor or style; force of expression; nervous diction; -- said of literary work. And praise the easy vigor of a life Where Denham's strength and Waller's sweetness join. Pope.
  6. 7.Intensity; -- said of light or color. Bright Phoebus in his strength. Shak.
  7. 8.Intensity or degree of the distinguishing and essential element; spirit; virtue; excellence; -- said of liquors, solutions, etc.; as, the strength of wine or of acids.
  8. 9.A strong place; a stronghold. [Obs.] Shak. On, or Upon, the strength of, in reliance upon. "The allies, after a successful summer, are too apt, upon the strength of it, to neglect their preparations for the ensuing campaign." Addison. See Force.
  9. 10.To strengthen. [Obs.] Chaucer.

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