proficient
adjective
1. having or showing knowledge and skill and aptitude
- a proficient engineer
Similar word(s): skilled, adept, expert, good, practiced, skilful, skillful
2. of or relating to technique or proficiency in a practical skill
Similar word(s): technical
Sentences with proficient as an adjective:
- He was a proficient writer with an interest in human nature.
noun
1. An expert.