subject to or having no limitations or boundaries in time, space, number, etc
Some scientists believe the universe to be infinite
He seems to have infinite reserves of energy
great, immense, or extreme
Her new boyfriend is an infinite improvement on the last one
said e.g. of a mathematical series: able to continue or be continued forever
said of a quantity: too large to have a numerical value assigned to it; unquantifiable
infinitely adv
infiniteness noun
infinitude noun
[Middle English infinit via French from Latin infinitus, from in-1 + finitus: see finite]