MASTERFUL

adj. 1 masterly, adept, expert, excellent, superior, superb, adroit, exquisite, superlative, supreme, consummate, accomplished, peerless, matchless, first-rate, proficient, dexterous, deft, skilful, skilled, Colloq crack She gave a masterful performance of Bruch's violin concerto 2 authoritarian, dictatorial, tyrannical, despotic, arbitrary, domineering, imperious, overbearing, arrogant, dominating, autocratic, high-handed, magisterial, overweening, self-willed, Colloq bossy I dislike Ian's masterful attitude, always telling everyone what to do