expertise

Definitions

Expert skill or knowledge in a particular field.

The state or quality of being an expert.

Examples

The consultant was hired for her deep expertise in renewable energy systems.

It takes years of practice to develop the level of expertise required for this complex surgical procedure.

Synonyms

proficiency mastery skill competence know-how aptitude dexterity

Antonyms

incompetence inexperience ignorance unskillfulness ineptitude amateurism inability