Disturbingly is a synonym of dismayingly.
As adverbs the difference between disturbingly and dismayingly
is that disturbingly is in a disturbing manner while dismayingly is in a manner that causes dismay.
dismayingly
English
Adverb
(
en adverb)
In a manner that causes dismay.
Synonyms
* distressingly
* disturbingly
* perturbingly