scintilla

/sɪnˈtɪlə/
noun
  1. A tiny amount or trace of something, often used in negative statements to emphasize that there is none at all.
    • The report contained not a scintilla of truth.
    • She didn't show a scintilla of regret for what she had done.
    • There was not a scintilla of evidence to support his claim.
Antonyms
What does "scintilla" mean? | whatsthatwordmean | whatsthatwordmean