Adjective
(of a system) Requiring a high degree of maintenance to ensure proper functioning, and without which it is likely to break down.
(figuratively, derogatory, of a person) Requiring a lot of attention or reassurance; emotionally needy
He has this incredibly high-maintenance girlfriend; if he doesn't tell her that he loves her every five minutes, she tends to break down into hysterical depressive weepy fits.
Exhibit A is Kim Kardashian and her long, sleek, high-maintenance hair that is perched atop a body she displays on social media willingly and often. Source: Internet
Not live-blogging, since I’m going to be too busy watching TV and drinking coffee for that kind of high-maintenance posting. Source: Internet
When handsome L.A. party boy Nathan’s self-driving car crashes, his high-maintenance girlfriend uploads him permanently into Nora’s VR world.” Source: Internet
When we first met, she told me that she was emotionally high-maintenance, and I said I could handle it. Source: Internet