The most common and most likely answer to this crossword clue is the 5 letter word ETHER which also is the latest solution we found used in Unknown in 2000.
Outer region of space crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ETHER | 100 % | 5 | 
Words with a meaning similar to the clue: Outer region of space
These words may or may not be a possible solution to this crosswords clue.- deep space
 - aerospace
 - ionosphere
 - area
 - sky
 - vacuum
 - vast
 - spaceman
 - outside
 - spacing
 - ether
 - field
 
Crossword Answer definitions
ETHER noun- The substance formerly supposed to fill the upper regions of the atmosphere above the clouds, in particular as a medium breathed by deities.
 - Often as aether and more fully as luminiferous aether: a substance once thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy; its existence was disproved by the 1887 Michelson–Morley experiment and the theory of relativity propounded by Albert Einstein (1879–1955).
 - The atmosphere or space as a medium for broadcasting radio and television signals; also, a notional space through which Internet and other digital communications take place; cyberspace.
 - A particular quality created by or surrounding an object, person, or place; an atmosphere, an aura.
 - Diethyl ether (C4H10O), an organic compound with a sweet odour used in the past as an anaesthetic.
 - Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.
 
- To viciously humiliate or insult.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution