The most common and most likely answer to this crossword clue is the 8 letter word SUBSONIC which also is the latest solution we found used in CrossSynergy in 2009.
Below Mach 1 crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| SUBSONIC | 100 % | 8 |
Words with a meaning similar to the clue: Below Mach 1
These words may or may not be a possible solution to this crosswords clue.- subsonic
- flight
- transonic
- atm
- beard
- driver
- famous
- gib
- ratio
- countermarch
- dead march
- dismarch
Crossword Answer definitions
SUBSONIC noun- An aircraft whose maximum speed is less than the speed of sound
- (of a sound, scientific) having a frequency too low to be audible
- (of a sound, literary) very quiet, almost inaudible
- (of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)
- (of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution