Ang kahulugan ng diksyunaryo ng pang-abay na "misteryoso" ay sa paraang mahirap o imposibleng maunawaan, ipaliwanag, o matukoy; sa paraang nagmumungkahi o nagpapahiwatig ng isang bagay na lihim, nakakalito, o hindi maipaliwanag.
Had Sheriff Montague learned the same information and decided how the Jenga puzzle mysteriously collapsed in murder?
All this was effected as mysteriously as though by magic.
At length I discovered that he went mysteriously to Auteuil.
Almost as fast as the injuries mysteriously blossomed on him, though, they faded away and left him looking the same as when he walked in.
They each bore an old and mysteriously engraving from some other time and some other place.
Three years ago Xandra Collins mysteriously disappeared.
Everywhere along its bands were the moldering relics of dead trees, in all the stages of decay, from those that groaned on their tottering trunks to such as had recently been robbed of those rugged coats that so mysteriously contain their principle of life.
Airmen are mysteriously wounded, Spitfires are sabotaged, someone has been poisoning the food.
A holy relic mysteriously erased from the pages of history is suddenly up for grabs to those willing to sacrifice everything to find it.
