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.

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.

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.

Jan 20, 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 …

"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 …

Definition of mysterious. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.