[1] : The Collaborative International Dictionary of English v.0.48

strength \strength\, n. oe. strengthe, as. strengethu, fr.
   strang strong. see strong.
   1. the quality or state of being strong; ability to do or to
      bear; capacity for exertion or endurance, whether
      physical, intellectual, or moral; force; vigor; power; as,
      strength of body or of the arm; strength of mind, of
      memory, or of judgment.
      1913 webster

            all his samson's strength in his hairs were.
                                                  --chaucer.
      1913 webster

            thou must outlive
            thy youth, thy strength, thy beauty.  --milton.
      1913 webster

   2. 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.
      1913 webster

   3. power of resisting attacks; impregnability. "our castle's
      strength will laugh a siege to scorn." --shak.
      1913 webster

   4. 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.
      1913 webster

   5. 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.
      1913 webster

            god is our refuge and strength.       --ps. xlvi. 1.
      1913 webster

            what they boded would be a mischief to us, you are
            providing shall be one of our principal strengths.
                                                  --sprat.
      1913 webster

            certainly there is not a greater strength against
            temptation.                           --jer. taylor.
      1913 webster

   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?
      1913 webster

   7. vigor or style; force of expression; nervous diction; --
      said of literary work.
      1913 webster

            and praise the easy vigor of a life
            where denham's strength and waller's sweetness join.
                                                  --pope.
      1913 webster

   8. intensity; -- said of light or color.
      1913 webster

            bright phoebus in his strength.       --shak.
      1913 webster

   9. 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.
      1913 webster

   10. a strong place; a stronghold. obs. --shak.
       1913 webster

   on the strength of, 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.
      1913 webster

   syn: force; robustness; toughness; hardness; stoutness;
        brawniness; lustiness; firmness; puissance; support;
        spirit; validity; authority. see force.
        1913 webster
see also:
strong frangibility on the strength of upon the strength of force 

Strength >> S Words
Strength, definition of term: Strength
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Upon >> U Words
Upon, definition of term: Upon
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Look Upon >> L Words
Look Upon, definition of term: Look Upon
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Call Upon >> C Words
Call Upon, definition of term: Call Upon
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Bear Upon >> B Words
Bear Upon, definition of term: Bear Upon
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Agreed Upon >> A Words
Agreed Upon, definition of term: Agreed Upon
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