am mastering

• present progressive

  present progressive

  Used to describe an ongoing action or state that is currently taking place in the immediate present.

  of master (1st person singular).
  master

  noun

  a person with the ability or power to use, control, or dispose of something.

Related Words

• administrator
• boss
• commander
• director
• guru
• instructor
• judge
• manager
• owner
• ruler
• teacher