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 definition: full of, characterized by, or involving mystery.. 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. …

Nov 28, 2025 · mysterious (comparative more mysterious, superlative most mysterious) Of unknown origin. synonym Synonym: untraceable He received a mysterious phone call this …

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.

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

Synonyms for MYSTERIOUS: cryptic, enigmatic, mystic, uncanny, obscure, dark, deep, unexplainable; Antonyms of MYSTERIOUS: understandable, intelligible, obvious, apparent, …

The catcher in the rye is famous for the intense and sometimes mysterious connection it makes with the adolescent boys who love it most.

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.