The most common and most likely answer to this crossword clue is the 6 letter word COOLLY which also is the latest solution we found used in New York Sun in 2008.
In a nonchalant manner crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| COOLLY | 100 % | 6 | 
Words with a meaning similar to the clue: In a nonchalant manner
These words may or may not be a possible solution to this crosswords clue.- casually
 - indifferently
 - nonchalantly
 - nonchalance
 - unassuming
 - humble
 - nonchalant
 - indifference
 - blithe
 - indifferent
 - unrestrained
 - unconcern
 
Crossword Answer definitions
COOLLY adjective- Coolish; somewhat cool in temperature
 
- In a cool, unpanicked or collected manner.
 - With calm impudence.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution