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.

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, …

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. …

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.

Sep 2, 2025 · mysterious (comparative more mysterious, superlative most mysterious) Of unknown origin. synonym Synonym: untraceable He received a mysterious phone call this …

14 hours ago · Anna Kepner was on a six-day cruise from Florida to the Caribbean with her family when she died on November 7. Reporter A minor may face criminal charges tied to a …

6 days ago · Drivers on Interstate 5 encountered a peculiar sight over Disneyland Resort early Thursday morning. Lori Nayahalski sent KTLA photographs and cell phone video of a black …

MYSTERIOUS meaning: 1 : strange, unknown, or difficult to understand; 2 : to talk or behave in a way that makes other people feel that you must have a secret