Telling adverbs are provided in this article. The words listed here are commonly found along with the verb telling in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb TELLING.
actually, apparently, basically, bluntly, calmly, clearly
constantly, continually, directly, effectively, equally, especially
essentially, evidently, exactly, excitedly, explicitly, extremely
finally, frankly, honestly, merely, obviously, particularly
perpetually, plainly, practically, probably, proudly, quietly
really, repeatedly, seriously, silently, simply
Hope this word list had the telling adverb you were looking for. In addition to adverbs used with telling, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.