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

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

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

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.

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 …

Definition of mysterious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 17, 2026 · Adjective mysterious (comparative more mysterious, superlative most mysterious) Of unknown origin. Synonym: untraceable He received a mysterious phone call this morning. Having …

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 …

Enigmatic, puzzling, or difficult to understand or explain. See example sentences, synonyms, and etymology for the adjective mysterious.

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