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mystify

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verb [transitive] mystify pronunciation in British English /ˈmɪstɪfaɪ/ 
Word Forms
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present tense
I/you/we/theymystify
he/she/itmystifies
present participlemystifying
past tensemystified
past participlemystified
  1. if someone or something mystifies you, you cannot understand or explain it

    Investigators are mystified by the crash, which claimed 104 lives.

derived words

mystification

 mystify pronunciation in British English /ˌmɪstɪfɪˈkeɪʃ(ə)n/  noun [uncountable]

mystifying

 mystify pronunciation in British English  adjective

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