Penetrate adverbs are provided in this article. The words listed here are commonly found along with the verb penetrate in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb PENETRATE.
actually, completely, deeply
directly, easily, eventually
fully, gradually, hardly
possibly, rarely, readily
really, scarcely, successfully
Hope this word list had the penetrate adverb you were looking for. In addition to adverbs used with penetrate, other example verb adverb pairings can be found on this site.
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