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
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...
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...