1. excellent or outstanding in quality or performance
Usage: informal

1. a person who is exceptionally skilled or talented
Usage: informal
2. a caramel-coated popcorn and peanut snack
Usage: trademark

Examples

• She’s a crackerjack mechanic who can fix any engine.
• The team put on a crackerjack performance last night.
• He’s a real crackerjack at solving puzzles.
• The detective did a crackerjack job investigating the case.
• We bought a box of Cracker Jack at the baseball game.
• The crackerjack reporter broke the story first.
• That was a crackerjack idea you had for the project.