説明中心

upon

[əˈpɒn]

upon Definition

  • 1used to indicate that an event or action is going to happen very soon
  • 2used to show that something happens as a result of something else

Using upon: Examples

Take a moment to familiarize yourself with how "upon" can be used in various situations through the following examples!

  • Example

    Upon arriving at the airport, we realized our flight was delayed.

  • Example

    Upon hearing the news, she burst into tears.

  • Example

    Upon completion of the course, you will receive a certificate.

  • Example

    Upon reflection, I realized I had made a mistake.

upon Synonyms and Antonyms

Synonyms for upon

Phrases with upon

  • used to introduce a fairy tale or story that happened in the past

    Example

    Once upon a time, there was a beautiful princess who lived in a castle.

  • to use something as a basis for further development or improvement

    Example

    We need to build upon the success of our last project and take it to the next level.

  • to depend on something or someone for support or success

    Example

    The success of the project rests upon the cooperation of all team members.

Origins of upon

from Old English 'uppan', meaning 'up' or 'on'

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Summary: upon in Brief

The preposition 'upon' [əˈpɒn] is used to indicate that an event or action is going to happen very soon or to show that something happens as a result of something else. It is commonly used in phrases like 'upon arrival' or 'upon completion,' and in idioms like 'once upon a time,' which introduces a fairy tale or story that happened in the past.

How do native speakers use this expression?