tellingly

/ˈtɛlɪŋli/
adverb
  1. In a way that reveals something important or has a strong effect.
    • She smiled tellingly, as if she knew a secret.
    • Tellingly, he avoided eye contact when asked about the missing money.
    • The room was tellingly quiet after her announcement.
What does "tellingly" mean? | whatsthatwordmean | whatsthatwordmean