Expertness

Definitions

1. The state of being expert.
   uncountable, usually
2. Proficiency or skill.
   uncountable, usually

Equivalents

Examples

“I had […] armed myself with a revolver, in the use⟳ of which I finally reached a certain degree of expertness from frequent practice.”

“Not only must she receive⟳ unheard-of personal favors and spiritual graces from her Saviour, but she must immediately write⟳ about them and exploiter them professionally, and use⟳ her expertness to give⟳ instruction to those less privileged.”

CEFR level