Pronunciation: /ˈkrækərˌdʒæk/
noun a person or thing that is excellent or outstanding in quality
A1 I found a crackerjack toy in my cereal box.
A2 The crackerjack team won the championship.
B1 She's a crackerjack at solving puzzles.
B2 The crackerjack detective quickly solved the case.
C1 The crackerjack engineer designed a revolutionary new product.
C2 The crackerjack scientist made a groundbreaking discovery.
adjective of exceptional quality or ability
A1 She is a crackerjack student who always gets good grades.
A2 The crackerjack team won the championship for the third year in a row.
B1 The crackerjack mechanic fixed my car in no time.
B2 The crackerjack detective quickly solved the mystery.
C1 The crackerjack surgeon performed the complicated surgery flawlessly.
C2 The crackerjack scientist made a groundbreaking discovery in the field of genetics.
formal The crackerjack team of researchers made a groundbreaking discovery.
informal She's a crackerjack when it comes to solving puzzles.
slang That new employee is a real crackerjack at coding.
figurative His crackerjack performance on the field earned him the MVP award.
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