unnaturally
/ʌnˈnæt͡ʃ(ə)ɹəli/ adverb C2- In an unnatural manner; to an unnatural extent.
From the library
By supposing such an affection, you make everybody acting unnaturally and wrong, and me most unhappy.
The child was small for his age, and unnaturally pale.
Learn unnaturally in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.