The most common and most likely answer to this crossword clue is the 7 letter word AMMONIA which also is the latest solution we found used in New York Times in 2008.
It's lighter than air crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| AMMONIA | 50 % | 7 | 
| DIRIGIBLE | 50 % | 9 | 
Words with a meaning similar to the clue: It's lighter than air
These words may or may not be a possible solution to this crosswords clue.- aerostat
 - aerostatics
 - helium
 - balloon
 - airship
 - lighter-than-air
 - hot-air balloon
 - aerostation
 - dirigible
 - nonrigid
 - aeronaut
 - subsonic
 
Crossword Answer definitions
AMMONIA noun- A gaseous compound of hydrogen and nitrogen, NH3, with a pungent smell and taste.
 - A solution of this compound in water used domestically as a cleaning fluid.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution
More clues leading to the result AMMONIA
- Cleaning compound
 - Common chemical fertilizer
 - Major component of Mr. Clean
 - Compound used in smelling salts
 - Floor polish ingredient
 - Strong-smelling cleaning solution
 - Smelling salts ingredient
 - Common household cleaner
 - Cleaning agent
 - Common cleanser