: 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 on line in a Sentence
Adjective
The city libraries are all online.
He likes to engage in online chats.
Recent Examples on the Web
Teresa Liu, Daily News, 3 June 2026
As new tools emerge for hackers, so too do new responses emerge in the world of online protection, creating this cycle that keeps spurring on further innovation and progression.
—William Jones, USA Today, 3 June 2026
This haunting series, which has over 200 million views, was a part of a larger online movement on platforms like Reddit and TikTok that became fixated on mysterious spaces.
—Cerys Davies, Los Angeles Times, 3 June 2026
After building a massive online following, the movie has hit a nerve with Gen Z, with half of the opening weekend audience under 25 and 75 percent under 35.
—Aaron Couch, HollywoodReporter, 3 June 2026
See All Example Sentences for on line
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Adjective
Los Angeles voters appeared poised Tuesday to approve measures related to cannabis business taxes and hotel tax collection rules for online travel companies while rejecting a separate proposal to increase the city’s hotel occupancy tax, according to election returns released throughout the evening.
—Teresa Liu, Daily News, 3 June 2026
As new tools emerge for hackers, so too do new responses emerge in the world of online protection, creating this cycle that keeps spurring on further innovation and progression.
—William Jones, USA Today, 3 June 2026
This haunting series, which has over 200 million views, was a part of a larger online movement on platforms like Reddit and TikTok that became fixated on mysterious spaces.
—Cerys Davies, Los Angeles Times, 3 June 2026
After building a massive online following, the movie has hit a nerve with Gen Z, with half of the opening weekend audience under 25 and 75 percent under 35.
—Aaron Couch, HollywoodReporter, 3 June 2026
See All Example Sentences for on line
Cite this Entry
“On line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20line. Accessed 4 Jun. 2026.
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