flat
adj.— «Bryan Herta needed just four laps to get “flat,” racing parlance for feeling comfortable enough in a car to press the gas pedal and not let up.» —“Herta makes quick return” by Phillip B. Wilson Indianapolis Star (Ind.) May 17, 2004. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...