crackajack

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈkrækədʒæk/US:USA pronunciation: respellingUSA pronunciation: respelling(krakə jak′)


WordReference Random House Unabridged Dictionary of American English © 2026
crack•a•jack  (krakə jak′),USA pronunciation n., adj. 
  1. crackerjack.

WordReference Random House Learner's Dictionary of American English © 2026
crack•er•jack /ˈkrækɚˌdʒæk/USA pronunciation  n. [countable]
  1. a person or thing that shows outstanding ability or excellence.

adj. 
  1. exceptionally fine:a crackerjack worker.

Collins Concise English Dictionary © HarperCollins Publishers::
crackerjack, crackajack /ˈkrækəˌdʒæk/ informal adj
  1. excellent
n
  1. a person or thing of exceptional quality or ability
Etymology: 20th Century: changed from crack (first-class) + jack1 (man)
'crackajack' also found in these entries (note: many are not synonyms or translations):

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