Regained adverbs are provided in this article. The words listed here are commonly found along with the verb regained in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb REGAINED.
completely, easily, entirely
eventually, finally, fully
gradually, immediately, nearly
partially, quickly, rapidly
recently, slowly, speedily
suddenly
Hope this word list had the regained adverb you were looking for. In addition to adverbs used with regained, other example verb adverb pairings can be found on this site.
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