grinding
n.— «I wanted so hard to hold my head up. I was grinding. I was shellshocked. I’d been on the verge of winning a tournament that puts me in the history books.» —“One Man Put His Stamp on This Open, a Proud One” by Tony Kornheiser Washington Post July 20, 1987. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...