irreproducible
Defies exact replication
Irreproducible describes something that cannot be reproduced or replicated.
The term appears most often in scientific contexts, where reproducibility is a cornerstone of valid research: The experiment's results proved irreproducible.
An irreproducible finding—one that other researchers cannot duplicate—is treated with skepticism.
Outside science, irreproducible can describe unique moments or experiences: an irreproducible performance.
Passing very quickly
- momentaryLasting very briefly
- transientTemporary, soon departing
- evanescentTending to vanish quickly
- impermanentNot meant to last
transitory · one-off · nonrecurring · once-in-a-lifetime · unrepeatable · spontaneous · serendipitous · improvised
Having no equivalent
- singularOne in number
- inimitableImpossible to imitate
- unrepeatableImpossible to do again
- unparalleledHaving no equivalent
unprecedented · nonpareil · matchless · peerless · incomparable · distinctive · exceptional · rare
Impossible to reproduce exactly
- nonreplicableCannot be duplicated
- unverifiableCannot be proven
- invalidatedMade no longer binding
- unrepeatedHappening only once
flawed · methodological · experimental · statistical · fraudulent · retracted · questionable · confounded
fleeting
Passing very quickly
- momentaryLasting very briefly
- transientTemporary, soon departing
- evanescentTending to vanish quickly
impermanent · transitory · one-off · nonrecurring · once-in-a-lifetime · unrepeatable · spontaneous · serendipitous · improvised · live
one-of-a-kind
Having no equivalent
- singularOne in number
- inimitableImpossible to imitate
- unrepeatableImpossible to do again
unparalleled · unprecedented · nonpareil · matchless · peerless · incomparable · distinctive · exceptional · rare · idiosyncratic
unreplicable
Impossible to reproduce exactly
- nonreplicableCannot be duplicated
- unverifiableCannot be proven
- invalidatedMade no longer binding
unrepeated · flawed · methodological · experimental · statistical · fraudulent · retracted · questionable · confounded · artifact
irreproduciblereproducible
Able to be duplicated
replicable · duplicatable · repeatable · verifiable · confirmable
irreproducibleconsistent
Not varying or contradicting
reliable · dependable · predictable · stable · uniform
irreproducibleverifiable
Able to be proven
confirmable · demonstrable · provable · validatable · corroborable
produce, product, production, productive, productivity, reproduce, reproduction, reproduced, reproducing