unknownly
Mysteriously, without a known reason or causeMysteriously, without a known reason or cause.
Meaning
2 senses(dated, not comparable, rare)Mysteriously, without a known reason or cause.
(not comparable, rare)Obscurely, without being known or noticed.
Origin
From unknown + -ly.From unknown + -ly.
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Lessons for this word
1 lessons- A2Adverbs of manner — Because it is an -ly adverb