instantly

1 of 2

adverb

in·​stant·​ly ˈin(t)-stənt-lē How to pronounce instantly (audio)
1
: without the least delay : immediately
2
: with importunity : urgently

instantly

2 of 2

conjunction

: as soon as
he ran across the grass instantly he perceived his motherW. M. Thackeray

Examples of instantly in a Sentence

Adverb His voice is instantly recognizable. They instantly fell in love. She was killed instantly when her car hit a tree. Conjunction we realized there would be problems instantly we saw the final report
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adverb
According to stylists, certain colors can instantly date an outfit, while others always manage to look fresh. Rosie Marder, Travel + Leisure, 18 Oct. 2025 Make a $5 pick for any player to instantly lock in your bonuses. Tyler Everett, MSNBC Newsweek, 18 Oct. 2025 After appearing in hundreds of games, Mario himself has basically become gaming’s Mickey Mouse; his face and faux-Italian cadence instantly recognizable to anyone who has been on Earth for the past four decades. Christopher Cruz, Rolling Stone, 18 Oct. 2025 Fans will know instantly that this child grows up to be renowned composer and lyricist Stephen Sondheim, and Linklater leans into that, having the pre-teenage Sondheim criticize Hart's writing. Maureen Lee Lenker, Entertainment Weekly, 18 Oct. 2025 See All Example Sentences for instantly

Word History

Etymology

Adverb

Middle English, from instant instant entry 2 + -ly -ly entry 2

Conjunction

derivative of instantly entry 1

First Known Use

Adverb

15th century, in the meaning defined at sense 2

Conjunction

1793, in the meaning defined above

Time Traveler
The first known use of instantly was in the 15th century

Browse Nearby Words

Cite this Entry

“Instantly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instantly. Accessed 23 Oct. 2025.

Kids Definition

instantly

adverb
in·​stant·​ly
ˈin(t)-stənt-lē
: without delay : immediately
came instantly when I called

More from Merriam-Webster on instantly

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!