Impaired adverbs are provided in this article. The words listed here are commonly found along with the verb impaired in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb IMPAIRED.
actually, cognitively, considerably, emotionally, essentially, fatally, frequently
functionally, generally, gradually, gravely, greatly, grievously, intellectually
markedly, materially, mentally, mildly, moderately, necessarily, neurologically
permanently, physically, profoundly, really, sadly, scarcely, selectively
sensibly, seriously, severely, significantly, slightly, substantially, temporarily
usually, visibly, visually
Hope this word list had the impaired adverb you were looking for. In addition to adverbs used with impaired, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.