upon meaning

Definition of upon

1. on; used in more formal English
   • once upon a time
   • upon arrival

upon in a sentence

• Your success depends upon whether you work hard or not.
• Once upon a time, there was an old man in this village.
• The taste of wine is largely dependent upon the weather.
• The prosperity of a country depends upon its citizens.
• Upon returning home, he found a letter in the mailbox.

How to pronounce upon

upon is pronounced /əˈpɒn/ in British English and /əˈpɑn/ in American English. It has 2 syllables, with the stress on the second syllable.