adv

mysteriously

adv

In a way that is puzzling, unexplained, or secretive.

"The lights mysteriously switched off at midnight."

"He mysteriously vanished without telling anyone."

How to Use Mysteriously

Learner’s notes

In plain EnglishDone or happening in a way nobody can fully explain.

more mysteriously comparative, most mysteriously superlative

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The lights _____ switched off at midnight.

famously anxiously seriously obviously curiously furiously nervously viciously jealously hideously previously vigorously