The most common and most likely answer to this crossword clue is the 5 letter word UTHER which also is the latest solution we found used in Boston Globe in 2010.
Arthur's sire crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| UTHER | 100 % | 5 | 
Words with a meaning similar to the clue: Arthur's sire
These words may or may not be a possible solution to this crosswords clue.- arthurian
 - arthurian legend
 - ashe
 - bedivere
 - bliss
 - bors
 - brown
 - camelot
 - camlan
 - conan doyle
 - eddington
 - elaine
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution