: 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
Antonia Hitchens, New Yorker, 6 Apr. 2026
While tech companies have attempted to solve online fit issues since the 2010s, the rapid development of generative AI has finally made these applications good enough to meaningfully impact retailers' bottom lines.
—Dylan Butts, CNBC, 6 Apr. 2026
An online discussion about forming an unofficial supporters section brought four guys together for a beer.
—Rachel Roberts, Idaho Statesman, 5 Apr. 2026
Russia fired 286 drones at Ukraine overnight, 260 of which were downed, the Ukrainian Air Force said in an online statement.
—Arkansas Online, 5 Apr. 2026
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Adjective
Many in the online pundit class balked at his article, casting it as anecdotal and credulous.
—Antonia Hitchens, New Yorker, 6 Apr. 2026
While tech companies have attempted to solve online fit issues since the 2010s, the rapid development of generative AI has finally made these applications good enough to meaningfully impact retailers' bottom lines.
—Dylan Butts, CNBC, 6 Apr. 2026
An online discussion about forming an unofficial supporters section brought four guys together for a beer.
—Rachel Roberts, Idaho Statesman, 5 Apr. 2026
Russia fired 286 drones at Ukraine overnight, 260 of which were downed, the Ukrainian Air Force said in an online statement.
—Arkansas Online, 5 Apr. 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 6 Apr. 2026.
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