has been puzzling
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present perfect progressiveof puzzle (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
puzzlenouna toy, problem, or other contrivance designed to amuse by presenting difficulties to be solved by ingenuity or patient effort.
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.
Asteroid Phaethon, which is five kilometers in diameter, has been puzzling researchers for a long time.
From Science Daily ● Nov. 28, 2023
The story of how black holes, especially young ones, grow so fast and become so massive, has been puzzling astronomers for a long time.
From Space Scoop ● Aug. 3, 2023
The deterioration of Tagovailoa’s connection with his receivers over the past two games has been puzzling.
From Seattle Times ● Dec. 12, 2022
The recent case of Cleveland Browns quarterback DeShaun Watson has been puzzling to many.
From Washington Post ● Oct. 16, 2022
Now I understand why your voice has been puzzling me!
From A Chair on the Boulevard by Leonard Merrick