infinitely

adverb

in·​fi·​nite·​ly ˈin-fə-nət-lē 

: to an infinite or seemingly infinite extent or degree

an infinitely large number

It is clear that when an infinite number of positive quantities are added, the result will be infinitely large unless the quantities diminish in size to zero.

—Dan Kalman

… we know that the world is infinitely more complicated than the child thinks.

—Robert Penn Warren

… in learning about the amazing complexity of the computer, we come to appreciate the infinitely more amazing complexity of the human brain …

—Alex Raskin

He swivels his head almost 360 degrees, like a Japanese puppet-balloon held aloft on a stick. The face is infinitely old, infinitely wise, very catlike.

—Maxine Kumin

Examples of infinitely in a Sentence

Recent Examples on the Web

For example, light travels very rapidly but not infinitely so. —Phil Plait, Scientific American, 25 Dec. 2025

This hypothetical, far from alleviating concerns about leaks, illustrates the potential for infinitely more nefarious scenarios, involving human viruses. —Andrew Noymer, Oc Register, 24 Dec. 2025

Gaia Project's changing, rotating hexes mix can be combined to create a wealth of different playing spaces, making the game infinitely replayable. —Nola Taylor Tillman, Space.com, 21 Dec. 2025

Perfect for long-haul flights where changing clothes is a full operation, these are a discreet, dependable travel essential that makes your journey infinitely less stressful. —Samantha Leal, Travel + Leisure, 21 Dec. 2025

Word History

Etymology

Middle English infynytly, from infynyt infinite entry 1 + -ly -ly entry 2

First Known Use

15th century, in the meaning defined above