The Collaborative International Dictionary
Doubtingly
Doubting \Doubt"ing\, a. That is uncertain; that distrusts or hesitates; having doubts. -- Doubt"ing*ly, adv.
Wiktionary
doubtingly
adv. In a doubting manner.
Usage examples of "doubtingly".
When the cabman was told whither he was to go, he looked doubtingly at his poor old horse, and then at the luggage which he was required to pack on the top of his cab, and laid himself out for his work with a full understanding that it would not be accomplished without considerable difficulty.
Patalolo wagged his aged head doubtingly, and Babalatchi withdrew with a shocked mien and put himself forthwith under Lakamba's protection.