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

The longer, knee-grazing silhouette feels just as polished as a pair of trousers, yet infinitely breezier for hot days. — Amanda Le, InStyle, 28 June 2026

Euclid’s famous proof that there are infinitely many prime numbers appears very different when formalized in Lean, a proof assistant. — Benjamin Skuse, IEEE Spectrum, 25 June 2026

Then there’s the harrowing economics of AI, infinitely less tangible but impossible to ignore. — Joe Wilkins, Futurism, 25 June 2026

That’s because airline pricing models have become infinitely more complex. — Jessica Puckett, Condé Nast Traveler, 25 June 2026

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