Definition & Meaning of "on"

used to show a day or date

used to indicate the subject or topic of discussion, consideration, or focus

used to show that something is based on, inspired by, or follows the model of another entity

used to indicate that something is included as part of a group, category, or set

used to express the target, goal, or recipient of an action or effort

used to indicate the instrument used to perform an action

used to specify the medium through which something is transmitted, broadcast, or presented

used to express involvement, participation, or engagement in a particular activity or task

used to express the state of being influenced or affected by something, such as a substance or external factor

used to indicate taking responsibility or assuming the cost for the specified situations

used to indicate an increase or addition to a particular quantity, amount, or measurement

used to show that someone is taking time away from regular duties or routines

used to indicate that something continues and does not stop

with a forward motion

in a state required for something to function or be effective

in contact with the body and covering it

(of events) planned or scheduled