In a manner that devours or consumes eagerly, greedily, or rapidly; with an intense, consuming quality.
From 'devouring' (present participle of 'devour') plus '-ly' adverb suffix. Combines the idea of greedy consumption with the adverbial form meaning 'in this manner'.
Romantic poets loved 'devouringly'—they used it to describe passionate kisses, intense gazes, and consuming emotions, turning a word about eating into the language of overwhelming feeling and desire.
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