Found 2 items, similar to tellingly.
English → English (WordNet) Definition: tellingly tellingly adv : in a telling manner; “the plain manner of its style all the more tellingly points up the horror of the case”
English → English (gcide) Definition: Tellingly Telling \Tell"ing\, a. Operating with great effect; effective; as, a telling speech. -- Tell"ing*ly, adv. [1913 Webster]