The Correct spelling is: skilful
Common misspellings of the word skilful are:
How do you spell skilful?. It is not skilfull or even skillfull for that matter!
skillfully skill'fulÂ·ly adv.
- Possessing or exercising skill; expert. See synonyms at proficient.
- Characterized by, exhibiting, or requiring skill.
skillfulness skill'fulÂ·ness n.