masterful adjective3 •Of or pertaining to the manner of a master of an art, technique, profession, or craft; masterly.The brushwork on the skin tones was masterful. •In the manner of a master; very skillful.The masterful conducting ensured the orchestra gave of their best. •Having or showing the qualities of a master vis-à-vis a dependent or subordinate; authoritative; domineering....do you not agree with me that I have a right to be a little masterful, abrupt; perhaps exacting, sometimes, on the grounds I stated... — 1847 formsmore masterful · most masterful