infinity
noun
in·fin·i·ty
in-ˈfi-nə-tē
plural infinities
1
a
: the quality of being infinite
b
: unlimited extent of time, space, or quantity : boundlessness
The view tapers off into infinity.
2
: an indefinitely great number or amount
an infinity of stars
3
a
: the limit of the value of a function or variable when it tends to become numerically larger than any preassigned finite number
b
: a part of a geometric magnitude that lies beyond any part whose distance from a given reference position is finite
Do parallel lines ever meet if they extend to infinity?
c
: a transfinite number (such as aleph-null)
4
: a distance so great that the rays of light from a point source at that distance may be regarded as parallel
Cite this Entry
“Infinity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infinity. Accessed 5 Aug. 2026.
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