Correct spellings for FIENDLISHLY
- fiendishly The crossword puzzle was fiendishly difficult, requiring hours of intense concentration.
If you mixed up the letters and spelled "fiendlishly" incorrectly, fear not! Possible correct suggestions include "fiendishly", meaning wickedly or maliciously or "friendishly", a made-up term implying a friendly demeanor. Remember to proofread to avoid spelling fiendish mix-ups!
