proficiency

[ pruh-fish-uhn-see ]

noun

1. the state of being proficient; skill; expertness:

   proficiency in music.

Other Words From

• over·pro·ficien·cy noun

Word History and Origins

Origin of proficiency¹

First recorded in 1535–45; from Latin prōfici(ēns) “advancing” ( proficient ) + -ency

Related Words

• aptitude
• competence
• dexterity
• efficiency
• expertise
• know-how
• knowledge
• mastery
• savvy
• skill