The most common and most likely answer to this crossword clue is the 5 letter word CIVIL which also is the latest solution we found used in USA Today in 2008.
Machine gun's debut war crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| CIVIL | 100 % | 5 | 
Words with a meaning similar to the clue: Machine gun's debut war
These words may or may not be a possible solution to this crosswords clue.- strafe
 - engine
 - artillery
 - metal
 - strafing
 - gunship
 - armament
 - gunrunning
 - metals
 - catapult
 - ramrod
 - machine gun
 
Crossword Answer definitions
CIVIL adjective- Having to do with people and government office as opposed to the military or religion.
 - Behaving in a reasonable or polite manner.
 - Relating to private relations among citizens, as opposed to criminal matters.
 - Secular.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution