Meaning of the word crackerjack in English

What does crackerjack mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

crackerjack

US /ˈkræk.ɚ.dʒæk/
UK /ˈkræk.ə.dʒæk/

Adjective

excellent; first-rate

Example:
He's a crackerjack mechanic, always fixes my car perfectly.
That was a crackerjack performance by the whole team.

Noun

a person or thing of excellence

Example:
He's a real crackerjack when it comes to solving puzzles.
The new software is a crackerjack, making our work much easier.