" expert ..."
'expert' is the definition.
(past master is a kind of expert)
This is all the clue.
(Other definitions for past master that I've seen before include "seen at staff reunions?" , "Person experienced in a particular field" , "wizard" , "Someone with a long and thorough experience in a given activity" , "Thomas Arnold was" .)
'expert' is the definition.
(ace can informally mean very good)
This is the entire clue.
(Other definitions for ace that I've seen before include "Very good; playing card" , "reason for point of no return" , "One; A1" , "Top card or winning tennis serve" , "Crack" .)
'expert' is the definition.
(short for professional)
This is the entire clue.
(Other definitions for pro that I've seen before include "For; non-amateur" , "hooker" , "In brief, he's no amateur" , "With qualifications" , "Preposition meaning for, in favour of" .)
'expert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for dab that I've seen before include "A small fish - bad one" , "Fish; small amount" , "Flounder" , "Fingerprint - fish" , "Touch gently - fingerprint" .)
'expert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for maestro that I've seen before include "best in field" , "Orchestral conductor" , "Rattle, say" , "Top conductor" , "great expert" .)
'expert' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for skilled that I've seen before include "Showing great aptitude" , "Showing expertise" , "Able" , "Competent - experienced" , "Highly trained" .)
'expert' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for skilful that I've seen before include "Adept, expert" , "Very adept and proficient" , "Adroit" , "7 [CLEVER]" , "Deft" .)
(Other definitions for hotshot that I've seen before include "successful type?" , "Expert" , "Important person" , "ace" , "Showily successful person" .)
'expert' is the definition.
(master is a kind of expert)
This is all the clue.
(Other definitions for master that I've seen before include "Schoolteacher" , "Expert" , "An old one is one of the early and great European painters" , "Skilful operator; teacher" , "Main; overcome; original recording" .)
'expert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for pundit that I've seen before include "Person who is an authority on subject" , "Subject expert" , "An expert or critic in a particular field" , "Expert (sometimes self-appointed)" , "A learned Hindu or expert generally" .)
(Other definitions for wizard that I've seen before include "Man of magic" , "Jolly good" , "Superb" , "Marvellous" , "Fantastic" .)
(Other definitions for adroit that I've seen before include "Deft and proficient" , "Apt" , "Quick or skilful" , "resourceful" , "Clever - crafty" .)
'expert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for masterly that I've seen before include "Supremely skilled" , "Expert" , "Virtuoso, consummate" , "Showing exceptional skill" , "Highly skilled" .)
'expert' is the definition.
(buff can mean an expert or aficionado)
This is the entire clue.
(Other definitions for buff that I've seen before include "Pale yellow" , "Dull yellow" , "Polish; yellowish-beige" , "Finish" , "nude?" .)
'expert' is the definition.
(whiz is a kind of expert)
This is the entire clue.
(Other definitions for whiz that I've seen before include "chap with a remarkable talent" , "Swish" , "Move rapidly" .)
'expert' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for guru that I've seen before include "Spiritual teacher, mentor" , "Wise leader" , "Spiritual guide" , "Authoritative source" , "Hindu or Sikh religious teacher or leader" .)
'expert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for dab hand that I've seen before include "Barely wash" , "cursory wash?" , "An informal expert such as band had" , "Past master" .)
(Other definitions for old hand that I've seen before include "One that's experienced" , "master" , "One's experienced" , "Experienced or well-practised person" , "Experienced or practised person - manually aged?" .)