Wiktionary

upon

upon is one of the 1000 most common headwords.
up - upon - use

Pronunciation change

Preposition change

Preposition
upon

  1. on or onto
    The police were called upon to save him.
    The snow fell gently upon the lake.
  2. going to happen
    Christmas is almost upon us.
  3. at (a time)
    Upon his death, she became the owner of the store.

Related words change

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