D defs.my
Entry 3 senses · 2 variants Webster, 1913

Masterly

· Mas·ter·ly · IPA /ˈmæstɚli/
01 a. Suitable to, or characteristic of, a master; indicating thorough knowledge or superior skill and power; showing a master's hand; as, a mast…
  1. 1.
    Suitable to, or characteristic of, a master; indicating thorough knowledge or superior skill and power; showing a master's hand; as, a masterly design; a masterly performance; a masterly policy.
  2. 2.
    Imperious; domineering; arbitrary.
02 adv. With the skill of a master.
  1. 1.
    With the skill of a master.
    “Thou dost speak masterly.” Shak.