Prefix with structure or red WSJ Crossword Clue
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The most common and recent 5-letter answer for "Prefix with structure or red" is INFRA.
The prefix 'infra-' is used to form words like 'infrastructure' and 'infrared.' In both cases, 'infra-' implies something below or beneath: infrastructure refers to the underlying framework of a system, and infrared refers to wavelengths below the visible spectrum.
This clue was last seen in the WSJ Crossword on October 27, 2025.
'Infra' is a prefix meaning below or beneath.
The clue “Prefix with structure or red” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated October 27 2025, the definitive 5-letter answer is: INFRA.
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