The most common and most likely answer to this crossword clue is the 5 letter word METRO which also is the latest solution we found used in LA Times in 2016.
DC underground crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| METRO | 100 % | 5 | 
Words with a meaning similar to the clue: DC underground
These words may or may not be a possible solution to this crosswords clue.- hypogeal
 - metro
 - mtr
 - nether
 - railroad
 - resistance
 - secret
 - strength
 - subterranean
 - subway
 - tube
 - illegals
 
Crossword Answer definitions
METRO noun- An underground railway.
 - A train that runs on such an underground railway.
 - An urban rapid transit light railway
 - A train that runs on such a railway.
 
- A metropolitan area
 
- Metropolitan
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution