Definitions

mysterious

[mi-steer-ee-uhs] / mɪˈstɪər i əs /

ADJECTIVE

obscure, puzzing, suggesting a mystery

Synonyms

STRONGEST

baffling cryptic curious dark enigmatic inexplicable inscrutable magical mystical mystifying obscure perplexing puzzling secretive strange unknown weird

WEAK

abstruse alchemistic arcane astrological cabalistic covert difficult eldritch enigmatical equivocal esoteric furtive hidden impenetrable incomprehensible insoluble necromantic occult oracular recondite sphinxlike spiritual subjective symbolic transcendental uncanny unfathomable unknowable unnatural veiled

Antonyms

STRONGEST

apparent bright clear comprehendible comprehensible evident familiar intelligible known normal obvious plain regular usual visible

WEAK

public straightforward tangible unmysterious

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The mysterious role played by Walker, who kept close ties with both men, will come under scrutiny for the first time.

From The Wall Street Journal • Jun. 8, 2026

Or is it simply about “trauma and the mysterious workings of the unconscious,” as New York Times critic Beatrice Loayza says?

From Salon • Jun. 8, 2026

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system.

From Los Angeles Times • Jun. 6, 2026

Against the backdrop of these frequent price fluctuations, speculation continues about the true identity of Bitcoin's mysterious inventor known only as Satoshi Nakamoto.

From BBC • Jun. 5, 2026

Were all their questions about the mysterious events on the island of Ahwoo-Ahwoo about to be answered?

From "The Interrupted Tale" by Maryrose Wood

Vocabulary lists containing mysterious

Purple Hibiscus

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It's All a Blur: Synonyms for "Unclear"

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Schooled

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