Sub system WSJ Crossword Clue

By Narcissa Kh /

Crossword Answer

1 ? S
2 ? O
3 ? N
4 ? A
5 ? R
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Your Answer 5 Letter
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      Hint 1

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      Think about how underwater explorers see without light.

      Hint 2

      meaning
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      ????? is a technology that uses sound waves to detect and locate objects underwater.

      Hint 3

      explanation
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      The clue 'Sub system' uses the word 'Sub' as a double entendre. 'Sub' can refer to a submarine, which uses ????? (Sound Navigation and Ranging) to detect objects underwater, making it a 'system' used by subs.

      Hint 4

      another clue
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      Underwater detection device, Echolocation technology, Submarine navigation aid, Underwater detection system, Bat signal

      Clue Analysis

      The clue “Sub system” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated November 8 2025, the definitive 5-letter answer is: SONAR.

      Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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      Sub system Crossword Clue