not one iota
not one iota
Not a single, tiny bit; not at all. A: "Are you nervous at all about tonight's fight?" B: "Not one iota. This is what I've been training for." I don't get one iota of gratitude from my children for everything you do to keep them happy and healthy.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
not one iota
not even a tiny bit. I won't give you any at all! Not one iota! I did not get one iota of encouragement from any of those people.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
not one iota
Not even the smallest amount, as in He got not one iota of thanks for his efforts. This usage appeared in slightly different form in the New Testament (Matthew 5:18): "One jot [iota] ... shall in no wise pass from the law till all be fulfilled." (The noun jot comes from the Greek iota.)
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.