Added 9 October 2026
mysteriously
adverb
adverb Definition from WordNet 3.1, Princeton University. More about mysteriously at Wordnik → Where our words come from →
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In a cryptic manner.
`we will meet again', he said cryptically
Origin
From Middle English misteriusly, equivalent to mysterious + -ly.
From Wiktionary, via Kaikki.org (CC BY-SA)