The most common and most likely answer to this crossword clue is the 4 letter word MACH which also is the latest solution we found used in New York Times in 1977.
Sound-barrier word crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| MACH | 100 % | 4 |
Words with a meaning similar to the clue: Sound-barrier word
These words may or may not be a possible solution to this crosswords clue.- mach
- sonic barrier
- pronunciation
- hem
- pronounce
- hemming
- hrm
- liaison
- slur
- coast
- epenthesis
- chuck yeager
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution