In a way that shows no emotion; in a detached, neutral, or impersonal manner.
From emotionless (emotion + -less, meaning 'without') + -ly (adverb suffix). The structure follows the common English pattern: noun → -less adjective → -ly adverb.
This adverb paints a striking picture—imagine someone delivering devastating news emotionlessly, which makes it even more unsettling because we expect emotion with such moments, so its absence feels eerie.
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