Interest adverbs are provided in this article. The words listed here are commonly found along with the verb interest in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb INTEREST.
certainly, chiefly, deeply
especially, greatly, hardly
particularly, possibly, probably
really, specially, strongly
Hope this word list had the interest adverb you were looking for. In addition to adverbs used with interest, other example verb adverb pairings can be found on this site.
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