(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 ˈword!

(old-fashioned) used to express surprise: My word! That was quick!
Farlex Partner Idioms Dictionary

upon my word

Indeed; really.
See also: upon, word
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • 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
  • bloody hell