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.)

Words nearby not one iota

not lift a finger, not miss a trick, not move a muscle, not my cup of tea, not on your life, not one iota, not one's day, this is, not oneself, not open one's mouth, not proven, not put something past someone