upon my word

(upon) my word

An interjection expressing surprise, amazement, or incredulity. Upon my word, I cannot believe that my own wife would stoop to such depths of treachery! My word, Jenkins, this report is simply terrible. You're going to have to do better than that if you want to stay in this company.
See also: word
Farlex Dictionary of Idioms.

upon my word

Indeed; really.
See also: upon, word
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • (upon) my word
  • my word!
  • my, my
  • my, (oh, my)
  • (oh) me, oh my
  • get out!
  • get out of here
  • Get out of here!
  • get outta here
  • oh really
References in classic literature
"Upon my word! Well, that is very decided indeed-- that does seem as if-- but, however, it may all come to nothing, you know."
Pride and Prejudice
"Upon my word, sir," cries Sophia, "I must belie my heart wickedly if I did.
The History of Tom Jones a Foundling
'Upon my word, my dear, I don't know,' replied Mrs Nickleby.
The Life and Adventures of Nicholas Nickleby
"Why, upon my word, sir," the carpenter said with a contemptuous smile.
Anna Karenina
I didn't mean any harm indeed, upon my word I didn't,' cried the small servant, struggling like a much larger one.
The Old Curiosity Shop
Either you come aboard along of us, once the treasure shipped, and then I'll give you my affy-davy, upon my word of honour, to clap you somewhere safe ashore.
Treasure Island