Here's a breakdown:
* Skill: The ability to do something well, usually gained through training, experience, or natural aptitude.
* Skillful: Someone who possesses and applies this ability effectively.
Examples:
* "The surgeon performed a skillful operation, saving the patient's life."
* "She's a skillful pianist, her fingers dancing across the keys."
* "The carpenter was known for his skillful craftsmanship."
Synonyms:
* Adept
* Proficient
* Expert
* Masterful
* Competent
* Talented
Antonyms:
* Clumsy
* Inept
* Unskilled
* Awkward
* Inefficient