The most common and most likely answer to this crossword clue is the 5 letter word SARIN which also is the latest solution we found used in Washington Post in 2005.
Lethal gas crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| SARIN | 100 % | 5 | 
Words with a meaning similar to the clue: Lethal gas
These words may or may not be a possible solution to this crosswords clue.- poison gas
 - toxic gas
 - asphyxiant
 - airless
 - smother
 - suffocation
 - smothering
 - suffocated
 - unilateral
 - suffocate
 - suffocating
 - stifle
 
Crossword Answer definitions
SARIN noun- The neurotoxin O-isopropyl methylphosphonofluoridate, used as a chemical weapon.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution