Definition of Upon

  • (prep.) On; -- used in all the senses of that word, with which it is interchangeable.

Synonyms of Upon


No Antonyms Found.

Antonyms of Upon


No Antonyms Found.

Homophones of Upon


No Antonyms Found.



Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.