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have been mystifying
  • present perfect progressive of mystify.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ten years ago, when a taco in London might easily have contained canned baked beans, the idea of a Mexican restaurant in a posh hotel would have been mystifying.

From New York Times • May 16, 2017

The ambiguity of this might have been mystifying to 282 any but a drowning man ready to clutch at a straw.

From Those Dale Girls by Carruth, Frank Weston

Oh, Harry, if you have been mystifying me, I hope you will never do it again.

From Blind Love by Collins, Wilkie