Someone who's a crackerjack is really good at what they do. A crackerjack of a magician will amaze you with every trick she performs.

You can use the word crackerjack for any excellent thing or person — you might say, for example, that your new car is a crackerjack or compliment your friend on her crackerjack of a performance at the school talent show. Crackerjack is an informal word that can be a noun or an adjective — and it's also the name of the caramel-covered popcorn and nuts you might buy at a baseball game.

Definitions of crackerjack
  1. noun
    something excellent of its kind
    synonyms: doozy, jimdandy, jimhickey
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    type of:
    an entity that is not named specifically
  2. noun
    someone excellent of their kind
    synonyms: jimdandy, jimhickey
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    type of:
    apotheosis, ideal, nonesuch, nonpareil, nonsuch, paragon, saint
    model of excellence or perfection of a kind; one having no equal
Word Family