on
on
ɑ:n
aan
British pronunciation
/ɒn/

Definition & Meaning of "on"in English

01

in contact with and upheld by a surface

on definition and meaning
example
Examples
If you are cold the blanket is on the bed.
1.1

in the general surface area or proximity of something

example
Examples
We stayed in a cottage on the lake.
1.2

used to refer to a particular side or part of something

example
Examples
The bakery is on the left.
1.3

toward or in the direction of something or someone

example
Examples
His gaze rested on the painting.
1.4

as a result of accidental physical contact with something

example
Examples
I banged my knee on the coffee table.
1.5

used to indicate that something appears as a mark, feature, or covering on a surface

example
Examples
There 's a stain on the shirt.
02

used to indicate something is attached or held by means of something else

example
Examples
The ornament hung on a hook.
2.1

supported by a part of the body

example
Examples
He rested on one knee.
2.2

used to show dependence on something for support, sustenance, or functioning

example
Examples
The child depends on his parents.
03

in the possession of someone

example
Examples
He had no money on him.
example
Examples
She wrote a book on medieval history.
4.1

in respect to something

example
Examples
They were short on patience.
05

used to show something is caused by or resulted from something

example
Examples
He succeeded on pure determination.
5.1

used to show something is based upon or modeled after something

example
Examples
The story is modeled on true events.
06

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

example
Examples
She served on the jury.
07

used to indicate the object of an action, attack, effort, or collision

example
Examples
The general launched a surprise attack on the fortress at dawn.
7.1

used to indicate the focus of feelings, determination, or will toward someone or something

example
Examples
Please have mercy on the innocent.
08

used to specify the medium for transmitting, recording, or storing information

example
Examples
I jotted the idea down quickly on a scrap of paper.
8.1

used to indicate being broadcast by a radio or television channel

example
Examples
A new comedy series will premiere on Channel 7.
09

in the course of a journey or while progressing toward a destination

example
Examples
He was on his way to the library when I saw him.
9.1

while traveling in a public conveyance

example
Examples
He worked with his laptop on the train.
9.2

onto a public conveyance, used to show means of conveyance

example
Examples
We hurried to get on the train before it departed.
10

used to show a day or date

example
Examples
We celebrated her promotion on New Year's Eve.
10.1

at the time of or at the occurrence of an action or event

example
Examples
She was cheered on entering the auditorium.
11

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

example
Examples
He 's on a mission to complete the project.
11.1

used to indicate inclusion within something, such as a list or agenda

example
Examples
We added the topic on the meeting agenda.
12

used to indicate regularly taking a drug or medicine

example
Examples
He is on antibiotics for his infection.
12.1

under the influence of a drug or intoxicating substance

example
Examples
He 's definitely on something, judging by his behavior.
13

used to indicate the focus of obligation, blame, or responsibility

example
Examples
You can put the blame on me for the mistake.
14

used to show something for which a payment is made

example
Examples
I spent $ 40 on groceries today.
14.1

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

example
Examples
They tacked a service fee on the bill.
15

used to indicate reduplication or succession in a series

example
Examples
He suffered loss on loss after the fire.
16

used to indicate manner of doing something, often followed by "the"

example
Examples
They discussed the deal on the sly.
17

used to indicate the instrument used to perform an action

example
Examples
He cut himself on a broken glass.
18

used to say what number to call to contact someone

example
Examples
You can reach me on 555-0199.
19

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

example
Examples
They ’re on holiday for the next two weeks.
20

used to make a comparison with someone or something else

example
Examples
Sales are up on last year's figures.
21

used to show the number of points a person or team has in a competition

Dialectbritish flagBritish
example
Examples
Our team is on five points after three games.
01

in a position resting atop or supported by something

on definition and meaning
example
Examples
Make sure the painting is on before stepping back.
02

in contact with the body and covering it

example
Examples
She already had her jacket on when I arrived.
03

with a forward motion in space, time, or progress

example
Examples
As the night wore on, the crowd grew restless.
04

used to indicate that something continues and does not stop

example
Examples
She rambled on despite people yawning.
05

in a state of operating or functioning, especially of electrical devices or systems

example
Examples
The heater is switched still on.
01

currently powered or activated

on definition and meaning
example
Examples
The lights are on all over the house.
02

currently happening or ongoing

example
Examples
A war is on overseas.
2.1

scheduled or planned to happen as intended

example
Examples
The meeting is definitely on for tomorrow.
2.2

being presented or being broadcast, especially referring to events or performances

example
Examples
What's on at the theater this weekend?
03

(of a performer, etc.) performing, broadcasting, or about to perform or broadcast

example
Examples
I'm on in five minutes, so I need to get ready.
3.1

actively engaged in duties, particularly in jobs requiring performance or responsiveness

example
Examples
The nurse is always on during night shifts.
04

expressing agreement to or acceptance of a challenge

InformalInformal
example
Examples
You want a race? You're on!
05

fitted onto something or being worn

example
Examples
His jacket was on despite the heat.
06

feasible, achievable, or capable of being done successfully

example
Examples
That shortcut is n't on after the storm.
07

acceptable, proper, or reasonable, typically used negatively

Dialectbritish flagBritish
InformalInformal
example
Examples
That behavior was not on at all.
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