: connected to, served by, or available through a system and especially a computer or telecommunications system (such as the Internet)
an online database
also : done while connected to such a system
online shopping
online games
online searching
online adverb

Examples of online in a Sentence

The city libraries are all online. He likes to engage in online chats.
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.
And according to Stanford University, online harassment can lead to serious emotional, physical, and/or financial consequences in the real world. Scott Nover, TIME, 10 Jan. 2025 In the past several years, online marketplaces have changed the face of business across the globe. Fernando Castellanos, Forbes, 10 Jan. 2025 Locals can also foster pets at the Pasadena Humane shelter by filling out their online form. Anthony Robledo, USA TODAY, 10 Jan. 2025 Fire victims can fill out a online Google form and Aerie will ship out a package. Karen Garcia, Los Angeles Times, 10 Jan. 2025 See all Example Sentences for online 

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of online was in 1950

Dictionary Entries Near online

Cite this Entry

“Online.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/online. Accessed 15 Jan. 2025.

Kids Definition

online

adjective
ˈȯn-ˈlīn,
ˈän-
: relating to or connected to a computer or telecommunications system (as the Internet)
an online database
online adverb

More from Merriam-Webster on online

Last Updated: - Updated example sentences
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