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.

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. …

MYSTERIOUS definition: full of, characterized by, or involving mystery. See examples of mysterious used in a sentence.

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.

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

There is still so much to be learned about the mysterious civilization that vanished, but one thing is now known.

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.

4 days ago · This very special episode of Mysterious Universe marks the end of an extraordinary era. After nearly two decades we are honoured to pass the reins...