on
1
in contact with and upheld by a surface
- If you are cold the blanket is on the bed.
- The plates are on the table.
- He placed the keys on the counter.
- The cat slept on the windowsill.
- Books were stacked on the floor.
Synonyms:
2
used to indicate something is attached or held by means of something else
- The ornament hung on a hook.
- Keys dangle on a chain.
- Pictures were hung on the wall.
- The swing was tied on a branch.
- The hat sat perched on a rack.
3
in the possession of someone
- He had no money on him.
- She kept a flashlight on her.
- There was a note on me.
- They found keys on the driver.
- I always carry an ID on me.
Synonyms:
4
relating to or about a particular subject
- She wrote a book on medieval history.
- We had a debate on climate change.
- The article focuses on nutrition.
- He gave a lecture on physics.
- We agreed on the terms.
5
used to show something is caused by or resulted from something
- He succeeded on pure determination.
- She failed on a technicality.
- He capitalized on the opportunity.
- The case was dismissed on a legal loophole.
- He was released on bail.
6
used to indicate that something is included as part of a group, category, or set
- She served on the jury.
- He's on the committee.
- They voted while on the council.
- I worked on the planning board.
- She sits on multiple panels.
7
used to indicate the object of an action, attack, effort, or collision
- The general launched a surprise attack on the fortress at dawn.
- She pulled a prank on her classmates during the trip.
- The team concentrated their efforts on improving the defense.
- The soldiers pulled their weapons on the civilians.
- The dog suddenly lunged on the stranger.
Synonyms:
8
used to specify the medium for transmitting, recording, or storing information
- I jotted the idea down quickly on a scrap of paper.
- They recorded the whole concert on tape.
- How much music can you store on this MP3 player?
- He loves to watch old movies on DVD.
- I felt embarrassed when I saw myself on camera.
9
in the course of a journey or while progressing toward a destination
- He was on his way to the library when I saw him.
- On his travels through Asia, he learned three new languages.
- She got a flat tire on her way to work.
- They stopped for lunch on their road trip to California.
- I'll call you when I'm on my way home.
10
used to show a day or date
- We celebrated her promotion on New Year's Eve.
- The museum opens on May 1st.
- She gave birth on Christmas Day.
- The soccer match is on Sunday.
- We celebrate Christmas on December 25th.
11
used to express involvement, participation, or engagement in a particular activity or task
- He's on a mission to complete the project.
- They're on a quest for new opportunities.
- She was out on errands when I called.
- The sales team is on a training program this month.
- We caught him on duty at the hospital.
12
used to indicate regularly taking a drug or medicine
- He is on antibiotics for his infection.
- She was on blood pressure medication for years.
- The patient is on a new asthma inhaler.
- I am currently on painkillers after surgery.
- They put her on insulin after her diagnosis.
13
used to indicate the focus of obligation, blame, or responsibility
- You can put the blame on me for the mistake.
- The success of this project rests on the whole team.
- Responsibility for the delay is on the contractor.
- It's on the management to resolve the issues.
- Don't put this burden on yourself alone.
14
used to show something for which a payment is made
- I spent $40 on groceries today.
- He wasted a fortune on gambling.
- They made a down payment on their new house.
- She spent too much money on clothes.
- I paid $35 on that vase.
Synonyms:
15
used to indicate reduplication or succession in a series
- He suffered loss on loss after the fire.
- They encountered setback on setback during the project.
- It was trouble on trouble for that poor family.
- The team faced defeat on defeat before finally winning.
- Disaster on disaster followed them during the journey.
Synonyms:
16
used to indicate manner of doing something, often followed by "the"
- They discussed the deal on the sly.
- Please keep everything on the up-and-up.
- She left town on the quiet.
- The information spread quickly on the grapevine.
- We met on the spur of the moment.
17
used to indicate the instrument used to perform an action
- He cut himself on a broken glass.
- I contacted her on the phone.
- I track my expenses on my laptop.
- He performed brilliantly on the guitar.
- They made their debut on the drums.
Synonyms:
18
used to say what number to call to contact someone
- You can reach me on 555-0199.
- Call me on my office line tomorrow.
- I'll be available on my mobile all day.
- Contact customer service on this toll-free number.
- I'll text you on your new number.
19
used to show that someone is taking time away from regular duties or routines
- They’re on holiday for the next two weeks.
- She’s on vacation and will be back next month.
- He’s on leave because of family reasons.
- The students are on a break until Monday.
- My colleague is on sick leave this week.
20
used to make a comparison with someone or something else
- Sales are up on last year's figures.
- His performance improved on his last tournament.
- Profits dropped on the previous quarter.
- Our earnings are higher on a year-to-year basis.
- This model is lighter on weight than the old one.
21
used to show the number of points a person or team has in a competition
- Our team is on five points after three games.
- She is on seven points, leading the group.
- They are currently on three points in the standings.
- He stayed on ten points after a poor performance.
- The red team is still on zero points.