Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

mysterious

play
adjective mys·te·ri·ous \mis-ˈtir-ē-əs\

Simple Definition of mysterious

  • : strange, unknown, or difficult to understand

Full Definition of mysterious

  1. 1 a :  of, relating to, or constituting mystery <the mysterious ways of God> b :  exciting wonder, curiosity, or surprise while baffling efforts to comprehend or identify :  mystifying <heard a mysterious noise> <a mysterious stranger>

  2. 2 :  stirred by or attracted to the inexplicable

mys·te·ri·ous·ly adverb
mys·te·ri·ous·ness noun

Examples of mysterious

  1. the mysterious ways of nature

  2. We heard a mysterious noise outside our tent.

  3. He died under mysterious circumstances.

  4. A mysterious illness has been spreading through the city.

  5. There's something mysterious about that old woman.

  6. Her behavior was very mysterious.



1599

First Known Use of mysterious

1599

Rhymes with mysterious



MYSTERIOUS Defined for Kids

mysterious

play
adjective mys·te·ri·ous \mi-ˈstir-ē-əs\

Definition of mysterious

  1. :  strange, unknown, or hard to understand or explain <a mysterious noise> <a mysterious stranger>

mys·te·ri·ous·ly adverb <She mysteriously disappeared.>
mys·te·ri·ous·ness noun




Seen and Heard

What made you want to look up mysterious? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 2.2 pounds 16.96 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ