honest to God/goodness

honest to God

1. expression Honestly; truly; genuinely. Used to emphasize the veracity of one's statement. I swear it wasn't me who broke the lamp, honest to God! Honest to God, how are we supposed to finish this project on time with half of our staff laid off?
2. adjective Genuine; actual. In this usage, the phrase is hyphenated. It was a real, honest-to-God treasure map. I couldn't believe me eyes.
See also: god, honest

honest to goodness

1. expression Honestly; truly; genuinely. Used to emphasize the veracity of one's statement. "Goodness" here is a substitution of the word "God," so as to avoid potential blasphemy. I swear it wasn't me who broke the lamp, honest to goodness! Honest to goodness, how are we supposed to finish this project on time with half of our staff laid off?
2. adjective Genuine; actual. In this usage, the phrase is hyphenated. It was a real, honest-to-goodness treasure map. I couldn't believe me eyes.
See also: goodness, honest
Farlex Dictionary of Idioms.

Honest to goodness.

 and Honest to God.; Honest to Pete.
I speak the truth. (Some people may object to the use of God in this phrase.) Did he really say that? Honest to goodness? Honest to Pete, I've been to the South Pole.
See also: goodness, honest
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

honest to God

Also, honest to goodness or Pete ; honest Injun. Truly, really, as in Honest to God, I didn't know it was yours, or Honest to goodness, we had exactly the same experience, or I promise I'll finish in time, honest to Pete, or Honest Injun, I didn't take your wallet. These colloquial assertions date from about 1900, except for honest Injun, dating from the late 1800s and today considered offensive.
See also: god, honest
The American Heritage® Dictionary of Idioms by Christine Ammer.

honest to ˈGod/ˈgoodness

used for emphasizing the truth of what you are saying: I didn’t tell anybody — honest to God! ▶ ˌhonest-to-ˈgoodness adj. (approving) simple and good: This book is an honest-to-goodness attempt to describe life as a political leader.
See also: god, goodness, honest
Farlex Partner Idioms Dictionary
See also:
  • honest to God
  • the honest truth
  • God's honest truth
  • an honest buck
  • make an honest buck
  • earn an honest buck
  • honest to a fault
  • an honest broker
  • TBQH
  • NGL