Infinity does exist.
Infinity is a word we use in humanity.
Infinity is a concept.>Definition of infinity
a : the quality of being infinite
b : unlimited extent of time, space, or quantity : boundlessness
: an indefinitely great number or amount an infinity of stars
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)
: a distance so great that the rays of light from a point source at that distance may be >Yes this is a smartass answer.
synonyms: endlessness, infinitude, infiniteness, boundlessness, limitlessness; vastness, immensity
"the infinity of space"