Here, the New York Times uses it in a sentence:
My husband already knew about, and barely tolerated, my penchant for returning things. The most Thoreauvian person I know, he purchased almost nothing in the first place. We were all burdened by our possessions; like Thoreau, he believed we had become “the tools of our tools.”
From Google:
"Thoreauvian" (adj.) describes ideas, lifestyles, or writings that reflect the philosophy of Henry David Thoreau, emphasizing simple living, self-sufficiency, deep appreciation for nature, and individualism. It often signifies a rejection of modern consumerism, favoring environmentalism, nonconformity, and deliberate, conscious existence.
I am decidedly not Thoreauvian. However, I've noticed that the things that make our lives easier often come with maintenance requirements that feel like I am taking care of them instead of the other way round.
From smoke detectors that need testing to hallway motion activated battery powered night lights and battery powered doorbells that need recharging to sink stoppers that need to be cleaned regularly, it often feels like I am an attendant to the things I supposedly own. It is a good thing to have an expanded vocabulary. The best way is to read more.