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. 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.

Key Insights

A mysterious illness confined him to bed for over a month. The whole thing seems very mysterious. 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.

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. 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.