doubtingly

/ˈdaʊtɪŋli/
adverb
  1. In a way that shows uncertainty or lack of belief.
    • He shook his head doubtingly when asked if the plan would work.
    • The teacher smiled doubtingly at the student's excuse for being late.
    • She looked at the strange object doubtingly, unsure if it was real.
Antonyms
What does "doubtingly" mean? | whatsthatwordmean | whatsthatwordmean