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.

Understanding the Context

See examples of mysterious used in a sentence. 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.

Key Insights

The whole thing seems very mysterious. There is still so much to be learned about the mysterious civilization that vanished, but one thing is now known. 1. involving or full of mystery: a mysterious phone call. 2.

Final Thoughts

suggesting or implying a mystery: a mysterious smile. 3. puzzling; inexplicable: a mysterious inscription on an ancient tomb. Adjective mysterious (comparative more mysterious, superlative most mysterious) Of unknown origin. Synonym: untraceable He received a mysterious phone call this morning. Having unknown qualities.

Expressing, intimating, or implying a mystery: as, a mysterious look; his manner was very mysterious and important. from the GNU version of the Collaborative International Dictionary of English. 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 disease.