Unreproducible

verb (used with object), reproduced, reproducing.
1.
to make a copy, representation, duplicate, or close imitation of:
to reproduce a picture.
2.
to produce again or anew by natural process:
to reproduce a severed branch.
3.
Biology. to produce one or more other individuals of (a given kind of organism) by some process of generation or propagation, sexual or asexual.
4.
to cause or foster the reproduction of (organisms).
5.
to produce, form, make, or bring about again or anew in any manner.
6.
to recall to the mind or have a mental image of (a past incident, scene, etc.), as by the aid of memory or imagination.
7.
to produce again, as a play produced at an earlier time.
verb (used without object), reproduced, reproducing.
8.
to reproduce its kind, as an organism; propagate; bear offspring.
9.
to turn out in a given manner when copied:
This picture will reproduce well.
verb (mainly transitive)
1.
to make a copy, representation, or imitation of; duplicate
2.
(also intransitive) (biology) to undergo or cause to undergo a process of reproduction
3.
to produce or exhibit again
4.
to bring back into existence again; re-create
5.
to bring before the mind again (a scene, event, etc) through memory or imagination
6.
(intransitive) to come out (well, badly, etc), when copied
7.
to replace (damaged parts or organs) by a process of natural growth; regenerate
8.
to cause (a sound or television recording) to be heard or seen

reproduce re·pro·duce (rē’prə-dōōs’, -dyōōs’)
v. re·pro·duced, re·pro·duc·ing, re·pro·duc·es

To produce a counterpart, an image, or a copy of something.

To bring something to mind again.

To generate offspring by sexual or asexual means.