master

Synonyms: ace adept crack crackerjack experienced masterly proficient skilled skillful

Antonyms: amateur

Synonyms: ascendant chief controlling foremost grand great leading major original overbearing paramount predominant predominate preponderant prevalent prime principal regnant sovereign supreme

Antonyms: auxiliary copy duplicate minor subordinate

Synonyms: administrator boss captain chief chieftain commandant commander commanding officer conqueror controller director employer general governor guide guru head head person instructor judge lord manager matriarch overlord overseer owner patriarch pedagogue preceptor principal pro ruler schoolmaster/ mistress skipper slave driver spiritual leader superintendent supervisor swami taskmaster teacher top dog tutor wheel

Antonyms: servant

Synonyms: ace adept artist artiste authority buff champion connoisseur conqueror doctor doyen doyenne genius guru maestro maven old hand old pro past master prima donna pro professional proficient pundit real pro sage savant scientist shark victor virtuoso whiz whiz-bang winner wizard

Antonyms: amateur

Synonyms: acquire beat the game beat the system bone up bury yourself in comprehend cram excel in gain mastery get down cold get down pat get hold of get the hang of get the knack of grasp grind hit the books learn the ropes megastudy pick up study swamp understand

Antonyms: be ignorant