on

/ɔn/
Học thuật
Thân thiện
on

The light switch is in the on position.

Definition

  1. Preposition:

    • In contact with and supported by a surface: Indicates physical contact with the upper surface of something.
    • At a location along or upon: Indicates being located along or upon a route, street, or feature.
    • About; concerning: Used to indicate the subject of something.
    • At a specific time or date: Indicates a specific day or part of a day.
    • Engaged in or involved with: Indicates involvement in an activity or state.
    • Using as a means of transport or support: Indicates the means of transport or a medium.
    • Paid for by: Indicates who is providing payment.

  2. Adverb:

    • In operation or functioning: Indicates that a device or system is active.
    • Continuing forward or ahead: Indicates continuation of movement or progress.
    • Attached or covering a surface: Indicates that something is worn or placed in its proper position.

  3. Adjective:

    • Operating or functioning: Describes a device that is active.
    • Taking place; scheduled: Describes an event that is planned or happening.
    • Acceptable or possible: Used informally to indicate that something is agreed to or acceptable.
Usage Examples

  • Preposition:

    • The book is on the table. (Indicates location on a surface.)
    • We live on Maple Street. (Indicates location along a route.)
    • She gave a lecture on economics. (Indicates the subject matter.)
    • The meeting is on Monday. (Indicates a specific day.)
    • He is on vacation. (Indicates involvement in a state.)
    • She traveled on the train. (Indicates means of transport.)
    • Dinner is on me tonight. (Indicates who is paying.)

  • Adverb:

    • Please turn the lights on. (Indicates activating a device.)
    • He walked on without looking back. (Indicates continuation of movement.)
    • Put your coat on; it's cold. (Indicates wearing an item.)

  • Adjective:

    • Is the computer on? (Describes an operating device.)
    • The party is still on for tonight. (Describes a scheduled event.)
    • "Let's go to the movies." "Okay, I'm on." (Informal: indicates agreement.)
Advanced Usage
  • "On and off" (or "off and on"): Intermittently; not continuously.
    • It rained on and off all day.
  • "On and on": Continuously for a long time.
    • He talked on and on about his trip.
  • "Be on to someone/something": To have discovered something, especially a secret or valuable information.
    • The police are on to the thief's plan.
  • "On time": Punctual; at the scheduled time.
    • The train arrived on time.
Variants and Related Words
  • Upon (preposition): A more formal synonym for 'on', often used in specific phrases.
    • The decision was based upon careful analysis.
  • Onto (preposition): Indicates movement to a position on a surface.
    • He jumped onto the stage.
Synonyms
  • Upon: On top of.
  • About: Concerning.
  • Operating: Functioning (as an adjective).
Related Phrasal Verbs
  • Carry on: To continue.
    • Please carry on with your work.
  • Get on: To enter a vehicle; to manage or fare.
    • We need to get on the bus. / How are you getting on at your new job?
  • Hold on: To wait; to grip tightly.
    • Hold on a moment, please. / Hold on to the railing.
  • Try on: To test clothing by putting it on.
    • I'd like to try on this jacket.
Related Idioms
  • On the ball: Alert, competent, and efficient.
    • You need to be on the ball for this important meeting.
  • On cloud nine: Extremely happy.
    • She was on cloud nine after receiving the promotion.
  • On the house: Provided free by the establishment.
    • Your first drink is on the house.
  • On the other hand: From another point of view; conversely.
    • I'd love to go. On the other hand, I really should stay and work.
on

The light switch is in the on position.

Adverb
  1. in a state required for something to function or be effective
    • turn the lights on
    • get a load on
  2. indicates continuity or persistence or concentration
    • his spirit lives on
    • shall I read on?
  3. with a forward motion
    • we drove along admiring the view
    • the horse trotted along at a steady pace
    • the circus traveled on to the next city
    • move along
    • march on
Adjective
  1. (of events) planned or scheduled
    • the picnic is on, rain or shine
    • we have nothing on for Friday night
  2. in operation or operational
    • left the oven on
    • the switch is in the on position

Từ đồng nghĩa

Từ trái nghĩa

Từ tương tự

Từ gần giống

Từ chứa "on"

Từ có nhắc đến "on"