When was this clue last seen?

This clue last appeared in the NYT Crossword on Monday, 01 December 2025.

___ 1 (speed of sound)

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Keywords

speedsound

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This clue appeared in the NYT Crossword on Monday, 01 December 2025. The answer MACH is a 4-letter entry.

This answer appears frequently in crosswords. View MACH answer history →

What is the answer to "___ 1 (speed of sound)"?: MACH
How many letters is the answer to "___ 1 (speed of sound)"?: The answer has 4 letters.
When was this clue last seen?: This clue last appeared in the NYT Crossword crossword on Monday, 01 December 2025.
Has this crossword clue appeared before?: Yes. Variations of this clue have appeared 8 other times.

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