finicky

The Medfly is not a finicky eater; its menu is as long as a Cheesecake Factory’s: 200-plus fruits and veg from every climate.

Its rice was a finicky crop that sprouts slow, skinny and tall, with fewer grains per bunch, and heads that can sag below the reach of the thresher and end up in the mud.

Hubble’s gyroscopes, which spin at 19,200 revolutions per minute, are extremely precise but finicky.

The sticking point is that, unlike forgiving chicken legs and roots, which have a relatively wide window of doneness, shrimp and zucchini can be finicky.

The particle accelerators that enable high-energy physics and serve many fields of science, such as materials, medical, and fusion research, are driven by superconducting magnets that are, to put it simply, quite finicky.