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

Honestly, a couple of coats of this is infinitely better at thickening my lashes than a single coat of mascara. —Jacqueline Kilikita, Refinery29, 9 Dec. 2025

Yes, many people died to get to this point, but infinitely more would die if the pillars weren’t in place. —Louis Peitzman, Vulture, 8 Dec. 2025

Just a spritz of the iconic New York hotel’s light gardenia fragrance makes a room smell infinitely fresher. —Miranda Crowell, Better Homes & Gardens, 26 Nov. 2025

Especially in cold-weather months, even, since thanks to the ever-climbing summer heat a November hike in the Bay Area can often be infinitely more enjoyable than one in late July. —Martha Ross, Mercury News, 22 Nov. 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