The meaning of MYSTERIOUS is of, relating to, or constituting mystery. How to use mysterious in a sentence.

The costume is mysterious in its poverty as well as in its flair for incoherent details.

Someone or something that is mysterious is strange and is not known about or understood. He died in mysterious circumstances. A mysterious illness confined him to bed for over a month. The whole …

Something that is mysterious has a secret-like quality that makes it hard to understand or define, like your mysterious answers that made your friends curious about what you were really up to.

Mysterious, inscrutable, mystical, obscure refer to that which is not easily comprehended or explained. That which is mysterious, by being unknown or puzzling, excites curiosity, amazement, or awe: a …

Dec 14, 2025 · mysterious (comparative more mysterious, superlative most mysterious) Of unknown origin. synonym Synonym: untraceable He received a mysterious phone call this morning. Having …

MYSTERIOUS definition: full of, characterized by, or involving mystery. See examples of mysterious used in a sentence.

1. involving or full of mystery: a mysterious phone call. 2. suggesting or implying a mystery: a mysterious smile. 3. puzzling; inexplicable: a mysterious inscription on an ancient tomb.

mysterious, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

"Mysterious" refers to something that is difficult or impossible to understand, explain, or identify. It often pertains to circumstances, situations, or objects that are characterized by secrecy, obscurity, or are …