1. unable to be reproduced, copied, or duplicated; not capable of being produced again in the same way or with the same results
Usage: often used in scientific, artistic, or technical contexts

Examples

• The artist's original technique was irreproducible; no one else could achieve the same effect.
• The experiment produced irreproducible results, making it impossible to verify the findings.
• Each handmade ceramic piece is irreproducible, which is why collectors value them so highly.
• The spontaneous moment captured in the photograph was irreproducible and could never be staged again.
• Scientists were frustrated by the irreproducible nature of the anomaly they had observed.
• The vintage wine's flavor profile is irreproducible due to the unique conditions of that harvest year.