Infirmity vs Infinity - What's the difference?

infirmity | infinity |

As nouns the difference between infirmity and infinity

is that infirmity is feebleness, frailty or ailment, especially due to old age while infinity is (label) endlessness, unlimitedness, absence of end or limit.




  • feebleness, frailty or ailment, especially due to old age.
  • a moral weakness or defect
  • infinity



  • (label) Endlessness, unlimitedness, absence of end or limit.
  • A number that has an infinite numerical value that cannot be counted.
  • * {{quote-magazine, date=2012-01
  • , author=Michael Riordan , title=Tackling Infinity , volume=100, issue=1, page=86 , magazine= citation , passage=Some of the most beautiful and thus appealing physical theories, including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities' that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging ' infinities has probably occupied far more effort than was spent in originating the theories.}}
  • An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
  • (label) A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.
  • (label) The symbol .
  • Usage notes

    In mathematics there are several different infinities; see transfinite.


    * finity

    See also

    * eternal * eternity * transfinite