This is the 5235th most frequent Dutch word.
kalibr
"Kalibr" is not a Dutch word; it appears to be a variation or misspelling. If you mean "kaliber," it translates to "caliber" in English, meaning quality, degree, or measurement, often of a firearm's bore or a person's ability.
Here, 'kalibr' is used to mean 'calibration', the process of adjusting precision instruments.
De kalibr van het meetinstrument moet nauwkeurig gecontroleerd worden.
The calibration of the measuring instrument must be checked carefully.
In this sentence, 'kalibr' signifies 'caliber', referring to someone's level of ability or competence.
Hij is van een ander kalibr, een echte professional.
He is of a different caliber, a true professional.
Here, 'kalibr' describes 'caliber', referring to the diameter of the barrel of a firearm.