Simple Definition of online
: connected to a computer, a computer network, or the Internet
: done over the Internet
Full Definition of online
: connected to, served by, or available through a system and especially a computer or telecommunications system (as the Internet) <an online database>; also : done while connected to such a system <online shopping>
Examples of online in a sentence
The city libraries are all online.
He likes to engage in online chats.
First Known Use of online
ONLINE Defined for Kids
Definition of online for Students
: connected to, directly controlled by, or available through a computer system <an online database> <working online>
Seen and Heard
What made you want to look up online? Please tell us where you read or heard it (including the quote, if possible).