ESP research tools, featuring the shapes that start 17-, 21-, 33-, 42- and 55-Across WSJ Crossword Clue
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The most common and recent 10-letter answer for "ESP research tools, featuring the shapes that start 17-, 21-, 33-, 42- and 55-Across" is ZENERCARDS.
The clue refers to cards used in ESP (extrasensory perception) research, known as Zener cards. These cards feature five different shapes: circle, plus sign, wavy lines, square, and star, which are likely the starting shapes of the answers in the specified across clues.
This clue was last seen in the WSJ Crossword on August 27, 2025.
Zener cards are a set of cards used to conduct experiments for extrasensory perception, featuring five distinct symbols.
The clue “ESP research tools, featuring the shapes that start 17-, 21-, 33-, 42- and 55-Across” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated August 27 2025, the definitive 10-letter answer is: ZENERCARDS.
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