1. superlative form of adept; most skilled or proficient at something
Usage: superlative degree

Examples

• She is the adeptest programmer on the team.
• He proved to be the adeptest negotiator in the room.
• The adeptest dancers moved across the stage with grace.
• Among all the chefs, she was the adeptest at French cuisine.
• The adeptest students finished the exam first.
• He became the adeptest swordsman in the kingdom through years of practice.