not for one moment

not for one moment

Not for any length of time; not at any point; not at all or in any capacity. Not for one moment did I think this would be a winning ticket, so I was totally gobsmacked to find out I'd won the jackpot! A: "So, did you suspect we were throwing you a surprise party?" B: "No, not for one moment!"
See also: moment, not, one
Farlex Dictionary of Idioms.

not for a/one ˈminute/ˈmoment/ˈsecond/ˈinstant

(informal) not at all; definitely not: I didn’t think for a minute that he was married. Not for one instant would I ever consider going there on holiday again.
See also: instant, minute, moment, not, one, second
Farlex Partner Idioms Dictionary
See also:
  • not for a moment
  • not for a second
  • not for a minute
  • not for a instant
  • not for a/one minute/moment/second/instant
  • aint
  • ain't
  • (I) hope not
  • hope not
  • be like ships in the night
References in periodicals archive
He told the killer, who was identified and brought to justice because of his distinctive blue Prada hat: "I am not for one moment suggesting you should be released at the end of this period.
But I have not for one moment thought about England not qualifying for Germany, I cannot allow myself to think that way."
But not for one moment do I think that the British taxpayer should pay the pounds 500,000 cost of their hospital treatment.
As a Canadian and as a Catholic, I do not for one moment wish to impose my moral code on anyone, nor do I wish to deny any woman the "right" to choose to have an abortion, but by the same token I should not be denied the right to refuse to pay or permit any portion of my tax dollars to pay for any expenses related to therapeutic abortions.
And Tu'ipulotu is convinced the score would have been much different if it was not for one moment of typical hot-headedness 30 minutes into the game which saw two Tongans and one England player cautioned and Tongan prop Ngalu Taufo'ou sent off.
Not for one moment. I know if I am to be the champion I shall have to fight ...
Now not for one moment am I saying the club should spend PS10m on a player such as McCormack or even Jordan Rhodes, who has scored goals for fun in the Championship.
Paying tribute to the care shown by the woman's family, the judge said: "I do not for one moment understate their upset at seeing her life ebb away.
I do not for one moment think that this was an intentional reference to the Nazi abomination.
"But the white heat of our anger should not for one moment deflect us from what needs to be done.
"I'm not for one moment suggesting that people stop drinking completely.
Not for one moment did Derbyshire's visit threaten to end the soporific sequence.
Now, I'm not for one moment suggesting this sort of thing goes on, but it could, and certainly encourages firms to cut prices in order to get their name in lights.
Not for one moment did I feel confident all the people were thinking the same and that it should be me.
Not for one moment. Not for 19 years of moments I know am the luckiest woman alive.