Here's a breakdown:
* Ability: The capacity to perform a task.
* Skill: The proficiency acquired through training or experience.
* Knowledge: Information and understanding of a subject or field.
Examples:
* "She is a competent doctor, able to diagnose and treat a wide range of illnesses."
* "He is a competent musician, skilled in both piano and guitar."
* "The student is competent in math, having a strong understanding of algebraic principles."
Synonyms:
* Capable
* Skilled
* Proficient
* Qualified
* Adept
Antonyms:
* Incompetent
* Inept
* Unskilled
* Unqualified