Good at something; skilled; fluent; practiced, especially in relation to a task or skill.
“He was a proficient writer with an interest in human nature.”
The quality or state of being competent, i.e. able or suitable for a general role.
The quality or state of being able or suitable for a particular task; the quality or state of being competent for a particular task.
A sustainable income.
In law, the legal authority to deal with a matter.
“That question is out with the competence of this court and must be taken to a higher court.”
competent or skilled in doing or using something
“I was proficient at my job”
“she felt reasonably proficient in Italian”
a person who is proficient
“he became a proficient in Latin and Greek”